* using log directory 'd:/Rcompile/CRANpkg/local/3.5/barsurf.Rcheck'
* using R version 3.5.3 (2019-03-11)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'barsurf/DESCRIPTION' ... OK
* this is package 'barsurf' version '0.4.0'
* 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 hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'barsurf' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' 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 use of S3 registration ... 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 ... [11s] NOTE
plot_bar: no visible global function definition for 'str2lang'
plot_cfield: no visible global function definition for 'str2lang'
plot_cfield_3d: no visible global function definition for 'str2lang'
plot_dfield: no visible global function definition for 'str2lang'
plot_surface: no visible global function definition for 'str2lang'
plot_tricontour: no visible global function definition for 'str2lang'
plot_trisurface: no visible global function definition for 'str2lang'
plot_vecfield: no visible global function definition for 'str2lang'
Undefined global functions or variables:
  str2lang
* checking Rd files ... 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 line endings in Makefiles ... OK
* checking for GNU extensions in Makefiles ... OK
* checking include directives in Makefiles ... OK
* checking sizes of PDF files under 'inst/doc' ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... ERROR
Running examples in 'barsurf-Ex.R' failed
The error most likely occurred in:

> ### Name: 01_scalar_fields_discretely-spaced
> ### Title: Discretely-Spaced Scalar Fields
> ### Aliases: plot_dfield plot_bar plot_matrix plotf_dfield plotf_bar
> 
> ### ** Examples
> 
> fv = matrix (sample (1:100), 10, 10)
> 
> plot_dfield (,,fv)
Error in str2lang(color.fit) : could not find function "str2lang"
Calls: plot_dfield -> eval
Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in 'inst/doc' ... OK
* checking re-building of vignette outputs ... [1s] WARNING
Error in re-building vignettes:
  ...

Error: processing vignette 'barsurf.Rnw' failed with diagnostics:
 chunk 6 
Error in str2lang(color.fit) : could not find function "str2lang"
Execution halted

* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR, 1 WARNING, 1 NOTE