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", "31345328", "32496629")
> results <- get_records(pmids, endpoint = "pubmed_abstracts", cores = 1)
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
Error : HTTP failure: 500
{"error":"error forwarding request","api-key":"137.208.57.142","type":"ip",
"status":"ok"}
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