• using R version 4.1.2 (2021-11-01)
• using platform: x86_64-apple-darwin17.0 (64-bit)
• using session charset: UTF-8
• checking for file ‘dsfa/DESCRIPTION’ ... OK
• this is package ‘dsfa’ version ‘2.0.0’
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘dsfa’ can be installed ... [152s/154s] OK
• checking installed package size ... NOTE
    installed size is 69.0Mb
    sub-directories of 1Mb or more:
      libs 68.6Mb
• checking package directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking R files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... OK
• checking whether the package can be loaded with stated dependencies ... OK
• checking whether the package can be unloaded cleanly ... OK
• checking whether the namespace can be loaded with stated dependencies ... OK
• checking whether the namespace can be unloaded cleanly ... OK
• checking loading without being on the library search path ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [4s/4s] OK
• checking Rd files ... [1s/1s] OK
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking LazyData ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking line endings in C/C++/Fortran sources/headers ... OK
• checking line endings in Makefiles ... OK
• checking compilation flags in Makevars ... OK
• checking for GNU extensions in Makefiles ... OK
• checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
• checking use of PKG_*FLAGS in Makefiles ... OK
• checking compiled code ... OK
• checking examples ... [5s/5s] OK
• checking PDF version of manual ... WARNING
  LaTeX errors when creating PDF version.
  This typically indicates Rd problems.
  LaTeX errors found:
  ! Undefined control sequence.
  <argument> f:\mathbb
                       {R}^K \to \mathbb {R}^L, (x_{n1},x_{n2},...,x_{nK}) \ma...
  l.2280 ...) \mapsto f(x_{n1},x_{n2},...,x_{nK})}{}
                                                     be differentiable up to o...
  ! Undefined control sequence.
  <argument> f:\mathbb {R}^K \to \mathbb
                                         {R}^L, (x_{n1},x_{n2},...,x_{nK}) \ma...
  l.2280 ...) \mapsto f(x_{n1},x_{n2},...,x_{nK})}{}
                                                     be differentiable up to o...
• checking PDF version of manual without hyperrefs or index ... ERROR
• DONE
  Status: 1 ERROR, 1 WARNING, 1 NOTE
• using check arguments '--no-clean-on-error '