'LazyData' is specified without a 'data' directory
Running examples in ‘ffmetadata-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: search_metadata
> ### Title: Search Metadata
> ### Aliases: search_metadata
> 
> ### ** Examples
> 
> search_test1 <- search_metadata(wave = "Year 1")
Error: API did not return json
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘APIUsage.Rmd’ using rmarkdown
Quitting from lines 33-34 (APIUsage.Rmd) 
Error: processing vignette ‘APIUsage.Rmd’ failed with diagnostics:
API did not return json
--- failed re-building ‘APIUsage.Rmd’

SUMMARY: processing the following file failed:
  ‘APIUsage.Rmd’

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
Running examples in ‘ffmetadata-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: search_metadata
> ### Title: Search Metadata
> ### Aliases: search_metadata
> 
> ### ** Examples
> 
> search_test1 <- search_metadata(wave = "Year 1")
Error: API did not return json
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘APIUsage.Rmd’ using rmarkdown
Quitting from lines 33-34 (APIUsage.Rmd) 
Error: processing vignette ‘APIUsage.Rmd’ failed with diagnostics:
API did not return json
--- failed re-building ‘APIUsage.Rmd’

SUMMARY: processing the following file failed:
  ‘APIUsage.Rmd’

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
Running examples in ‘ffmetadata-Ex.R’ failed
The error most likely occurred in:

> ### Name: search_metadata
> ### Title: Search Metadata
> ### Aliases: search_metadata
> 
> ### ** Examples
> 
> search_test1 <- search_metadata(wave = "Year 1")
Error: API did not return json
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘APIUsage.Rmd’ using rmarkdown
Quitting from lines 33-34 (APIUsage.Rmd) 
Error: processing vignette 'APIUsage.Rmd' failed with diagnostics:
API did not return json
--- failed re-building ‘APIUsage.Rmd’

SUMMARY: processing the following file failed:
  ‘APIUsage.Rmd’

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
Running examples in ‘ffmetadata-Ex.R’ failed
The error most likely occurred in:

> ### Name: search_metadata
> ### Title: Search Metadata
> ### Aliases: search_metadata
> 
> ### ** Examples
> 
> search_test1 <- search_metadata(wave = "Year 1")
Error: API did not return json
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘APIUsage.Rmd’ using rmarkdown
Quitting from lines 33-34 (APIUsage.Rmd) 
Error: processing vignette 'APIUsage.Rmd' failed with diagnostics:
API did not return json
--- failed re-building ‘APIUsage.Rmd’

SUMMARY: processing the following file failed:
  ‘APIUsage.Rmd’

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
Running examples in 'ffmetadata-Ex.R' failed
The error most likely occurred in:

> ### Name: search_metadata
> ### Title: Search Metadata
> ### Aliases: search_metadata
> 
> ### ** Examples
> 
> search_test1 <- search_metadata(wave = "Year 1")
Error: API did not return json
Execution halted
Error(s) in re-building vignettes:
--- re-building 'APIUsage.Rmd' using rmarkdown
Quitting from lines 33-34 (APIUsage.Rmd) 
Error: processing vignette 'APIUsage.Rmd' failed with diagnostics:
API did not return json
--- failed re-building 'APIUsage.Rmd'

SUMMARY: processing the following file failed:
  'APIUsage.Rmd'

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
Running examples in ‘ffmetadata-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: search_metadata
> ### Title: Search Metadata
> ### Aliases: search_metadata
> 
> ### ** Examples
> 
> search_test1 <- search_metadata(wave = "Year 1")
Error: API did not return json
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘APIUsage.Rmd’ using rmarkdown
Quitting from lines 33-34 (APIUsage.Rmd) 
Error: processing vignette ‘APIUsage.Rmd’ failed with diagnostics:
API did not return json
--- failed re-building ‘APIUsage.Rmd’

SUMMARY: processing the following file failed:
  ‘APIUsage.Rmd’

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Running examples in 'ffmetadata-Ex.R' failed
The error most likely occurred in:

> ### Name: search_metadata
> ### Title: Search Metadata
> ### Aliases: search_metadata
> 
> ### ** Examples
> 
> search_test1 <- search_metadata(wave = "Year 1")
Error: API did not return json
Execution halted
Error(s) in re-building vignettes:
--- re-building 'APIUsage.Rmd' using rmarkdown
Quitting from lines 33-34 (APIUsage.Rmd) 
Error: processing vignette 'APIUsage.Rmd' failed with diagnostics:
API did not return json
--- failed re-building 'APIUsage.Rmd'

SUMMARY: processing the following file failed:
  'APIUsage.Rmd'

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Running examples in 'ffmetadata-Ex.R' failed
The error most likely occurred in:

> ### Name: search_metadata
> ### Title: Search Metadata
> ### Aliases: search_metadata
> 
> ### ** Examples
> 
> search_test1 <- search_metadata(wave = "Year 1")
Error: API did not return json
Execution halted
Error(s) in re-building vignettes:
--- re-building 'APIUsage.Rmd' using rmarkdown
Quitting from lines 33-34 (APIUsage.Rmd) 
Error: processing vignette 'APIUsage.Rmd' failed with diagnostics:
API did not return json
--- failed re-building 'APIUsage.Rmd'

SUMMARY: processing the following file failed:
  'APIUsage.Rmd'

Error: Vignette re-building failed.
Execution halted