* using log directory 'd:/Rcompile/CRANpkg/local/4.7/Compositional.Rcheck'
* using R Under development (unstable) (2026-07-12 r90242 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.3.0
    GNU Fortran (GCC) 14.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* current time: 2026-07-13 10:40:04 UTC
* checking for file 'Compositional/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'Compositional' version '8.2'
* 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 'Compositional' can be installed ... OK
* checking installed package size ... OK
* 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 code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [4s] OK
* checking whether the package can be loaded with stated dependencies ... [4s] OK
* checking whether the package can be unloaded cleanly ... [4s] OK
* checking whether the namespace can be loaded with stated dependencies ... [4s] OK
* checking whether the namespace can be unloaded cleanly ... [4s] OK
* checking loading without being on the library search path ... [4s] OK
* checking whether startup messages can be suppressed ... [4s] 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 ... [33s] OK
* checking Rd files ... [4s] 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 examples ... [63s] ERROR
Running examples in 'Compositional-Ex.R' failed
The error most likely occurred in:

> ### Name: Simplicial constrained median regression for compositional responses and predictors model
> ### Title: Simplicial constrained median regression for compositional
> ###   responses and predictors
> ### Aliases: scrq
> 
> ### ** Examples
> 
> library(MASS)
> set.seed(1234)
> y <- rdiri(214, runif(4, 1, 3))
> x <- as.matrix(fgl[, 2:9])
> x <- x / rowSums(x)
> mod <- scrq(y, x)
Error in rq.fit.fnc(x, y, tau = tau, ...) : 
  Error info =  28 in stepy2: singular design
Calls: scrq -> <Anonymous> -> rq.fit -> rq.fit.fnc
Execution halted
* checking PDF version of manual ... [41s] OK
* checking HTML version of manual ... [53s] OK
* DONE
Status: 1 ERROR