for non-standard things in the check directory

Found the following files/directories:
  ‘simu.pheno’ ‘usedpars.txt’
Found the following files/directories:
  ‘simu.pheno’ ‘usedpars.txt’
Found the following files/directories:
  ‘simu.pheno’ ‘usedpars.txt’
Found the following files/directories:
  ‘simu.pheno’ ‘usedpars.txt’
Error(s) in re-building vignettes:
--- re-building 'SimPhe.Rmd' using rmarkdown
Quitting from lines 77-83 (SimPhe.Rmd) 
Error: processing vignette 'SimPhe.Rmd' failed with diagnostics:
'data' must be of a vector type, was 'NULL'
--- failed re-building 'SimPhe.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Found the following files/directories:
  ‘simu.pheno’ ‘usedpars.txt’
Found the following files/directories:
  ‘simu.pheno’ ‘usedpars.txt’
Error(s) in re-building vignettes:
--- re-building 'SimPhe.Rmd' using rmarkdown
Quitting from lines 77-83 (SimPhe.Rmd) 
Error: processing vignette 'SimPhe.Rmd' failed with diagnostics:
'data' must be of a vector type, was 'NULL'
--- failed re-building 'SimPhe.Rmd'

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

Error: Vignette re-building failed.
Execution halted