Error(s) in re-building vignettes:
  ...
--- re-building ‘simPATHy.Rmd’ using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature 'object = "igraph"'
--- failed re-building ‘simPATHy.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘simPATHy.Rmd’ using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature 'object = "igraph"'
--- failed re-building ‘simPATHy.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘simPATHy.Rmd’ using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature 'object = "igraph"'
--- failed re-building ‘simPATHy.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘simPATHy.Rmd’ using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature 'object = "igraph"'
--- failed re-building ‘simPATHy.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'simPATHy.Rmd' using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature 'object = "igraph"'
--- failed re-building 'simPATHy.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘simPATHy.Rmd’ using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature '"igraph"'
--- failed re-building ‘simPATHy.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘simPATHy.Rmd’ using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature '"igraph"'
--- failed re-building ‘simPATHy.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Packages suggested but not available for checking: 'clipper', 'topologyGSA'
Packages suggested but not available for checking: 'clipper', 'topologyGSA'
Error(s) in re-building vignettes:
--- re-building 'simPATHy.Rmd' using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature '"igraph"'
--- failed re-building 'simPATHy.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Packages suggested but not available for checking: 'clipper', 'topologyGSA'
Package required but not available: ‘qpgraph’

Packages suggested but not available for checking: 'clipper', 'topologyGSA'

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Error(s) in re-building vignettes:
--- re-building 'simPATHy.Rmd' using rmarkdown

Quitting from lines 46-49 [unnamed-chunk-5] (simPATHy.Rmd)
Error: processing vignette 'simPATHy.Rmd' failed with diagnostics:
unable to find an inherited method for function 'nodes' for signature '"igraph"'
--- failed re-building 'simPATHy.Rmd'

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

Error: Vignette re-building failed.
Execution halted