Running examples in ‘puremoe-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: get_records
> ### Title: Retrieve Data from 'NLM'/'PubMed' databases Based on PMIDs
> ### Aliases: get_records
> 
> ### ** Examples
> 
> pmids <- c("38136652")
> results <- get_records(pmids, endpoint = "pubmed_abstracts", cores = 1)
Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils101 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.19.52</div>

<div class="diags">Server: eutils101</div>

<div class="diags">Time: Sun Jul 27 11:39:40 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils202 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.19.239</div>

<div class="diags">Server: eutils202</div>

<div class="diags">Time: Sun Jul 27 11:39:41 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils201 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.22.27</div>

<div class="diags">Server: eutils201</div>

<div class="diags">Time: Sun Jul 27 11:39:43 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils201 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.19.52</div>

<div class="diags">Server: eutils201</div>

<div class="diags">Time: Sun Jul 27 11:39:44 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils201 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.22.27</div>

<div class="diags">Server: eutils201</div>

<div class="diags">Time: Sun Jul 27 11:39:45 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils201 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.19.239</div>

<div class="diags">Server: eutils201</div>

<div class="diags">Time: Sun Jul 27 11:39:47 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils101 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.18.165</div>

<div class="diags">Server: eutils101</div>

<div class="diags">Time: Sun Jul 27 11:39:48 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils202 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.22.27</div>

<div class="diags">Server: eutils202</div>

<div class="diags">Time: Sun Jul 27 11:39:50 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils101 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.18.165</div>

<div class="diags">Server: eutils101</div>

<div class="diags">Time: Sun Jul 27 11:39:51 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils101 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.18.165</div>

<div class="diags">Server: eutils101</div>

<div class="diags">Time: Sun Jul 27 11:39:52 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils201 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.19.239</div>

<div class="diags">Server: eutils201</div>

<div class="diags">Time: Sun Jul 27 11:39:54 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils102 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.18.165</div>

<div class="diags">Server: eutils102</div>

<div class="diags">Time: Sun Jul 27 11:39:55 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils101 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.18.165</div>

<div class="diags">Server: eutils101</div>

<div class="diags">Time: Sun Jul 27 11:39:56 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils101 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.19.52</div>

<div class="diags">Server: eutils101</div>

<div class="diags">Time: Sun Jul 27 11:39:58 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error : HTTP failure: 500
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> 
<html>
<head>
<title>NCBI/eutils201 - WWW Error 500 Diagnostic</title>
<style type="text/css"> 
h1.error {color: red; font-size: 40pt}
div.diags {text-indent: 0.5in }
</style> 
</head>
<body>
<h1>Server Error</h1>


<p>Your request could not be processed due to a problem on
our Web server.  This could be a transient problem, please
try the query again.  If it doesn't clear up within a
reasonable period of time, e-mail a short description of your
query and the diagnostic information shown below to:</p>

<p>
pubmed@nlm.nih.gov - for problems with PubMed<br/>
webadmin@ncbi.nlm.nih.gov - for problems with other services<br/>
</p>

<p>Thank you for your assistance.  We will try to fix the
problem as soon as possible.
</p>
<hr/>
<p>
Diagnostic Information:</p>

<div class="diags">Error: 500</div>

<div class="diags">URL:  h t t p : / / e x t - h t t p - e u t i l s . l i n k e r d . n c b i . n l m . n i h . g o v / e n t r e z / e u t i l s / e f e t c h . f c g i ? d b = p u b m e d & a m p ; r e t t y p e = x m l & a m p ; r e t m o d e = & a m p ; i d = 3 8 1 3 6 6 5 2 & a m p ; e m a i l = d a v i d . w i n t e r  4 0 g m a i l . c o m & a m p ; t o o l = r e n t r e z </div>

<div class="diags">Client: 130.14.18.165</div>

<div class="diags">Server: eutils201</div>

<div class="diags">Time: Sun Jul 27 11:39:59 EDT 2025</div>

 
<p>
NOTE: The above is an internal URL which may differ from the one you used to address the page.</p>
<hr/>
<p>Rev. 01/04/08</p>

</body>
</html>

Error in UseMethod("read_xml") : 
  no applicable method for 'read_xml' applied to an object of class "try-error"
Calls: get_records ... FUN -> task_function -> .fetch_records -> <Anonymous>
Execution halted