* using log directory 'd:/Rcompile/CRANpkg/local/4.6/cuadramelo.Rcheck'
* using R version 4.6.0 alpha (2026-03-28 r89738 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: 2026-03-30 12:36:52 UTC
* checking for file 'cuadramelo/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'cuadramelo' version '1.0.0'
* 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 hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'cuadramelo' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... NOTE
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    'apply_by_blocks.R' 'balance_by_blocks.Rd' 'balance_matrix.R'
    'balance_matrix.Rd' 'make_non_negative.Rd' 'round_by_blocks.Rd'
    'round_matrix.R' 'round_matrix.Rd' 'round_vector.Rd'
* 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 ... [3s] OK
* checking whether the package can be loaded with stated dependencies ... [2s] OK
* checking whether the package can be unloaded cleanly ... [2s] OK
* checking whether the namespace can be loaded with stated dependencies ... [2s] OK
* checking whether the namespace can be unloaded cleanly ... [3s] OK
* checking loading without being on the library search path ... [2s] OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... WARNING
Missing or unexported object: 'CVXR::solve'
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [6s] OK
* checking Rd files ... [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 installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [3s] ERROR
Running examples in 'cuadramelo-Ex.R' failed
The error most likely occurred in:

> ### Name: balance_by_blocks
> ### Title: Balance matrix by blocks
> ### Aliases: balance_by_blocks
> 
> ### ** Examples
> 
> set.seed(10)
> Y <- (rnorm(32)*10) |> matrix(ncol = 2) |> round(3)
> v <- aggregate(Y, by = list(rep(1:4, times = rep(4,4))), FUN = sum)[, -1] |>
+   round() |> as.matrix()
> X <- balance_by_blocks(Y, v, layout = 2, L = 4)
Error in `Variable()`:
! Variable name "2" must be a string.
Backtrace:
    ▆
 1. └─cuadramelo::balance_by_blocks(Y, v, layout = 2, L = 4)
 2.   └─cuadramelo::balance_matrix(X, col_totals = v, row_totals = h)
 3.     └─CVXR::Variable(m, n)
 4.       └─cli::cli_abort("Variable name {.val {as.character(name)}} must be a string.")
 5.         └─rlang::abort(...)
Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [8s] ERROR
Error(s) in re-building vignettes:
--- re-building 'balance-matrix.Rmd' using rmarkdown

Quitting from balance-matrix.Rmd:59-64 [unnamed-chunk-6]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `Variable()`:
! Variable name "5" must be a string.
---
Backtrace:
    ▆
 1. └─cuadramelo::balance_matrix(example_matrix, col_totals, row_totals)
 2.   └─CVXR::Variable(m, n)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'balance-matrix.Rmd' failed with diagnostics:
Variable name "5" must be a string.
--- failed re-building 'balance-matrix.Rmd'

--- re-building 'round-matrix.Rmd' using rmarkdown
--- finished re-building 'round-matrix.Rmd'

SUMMARY: processing the following file failed:
  'balance-matrix.Rmd'

Error: Vignette re-building failed.
Execution halted

* checking PDF version of manual ... [19s] OK
* checking HTML version of manual ... [2s] OK
* DONE
Status: 2 ERRORs, 1 WARNING, 1 NOTE