* using log directory 'd:/RCompile/CRANincoming/R-devel/GeneralizedUmatrixGPU.Rcheck'
* using R Under development (unstable) (2025-08-20 r88661 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.2.0
    GNU Fortran (GCC) 14.2.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'GeneralizedUmatrixGPU/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'GeneralizedUmatrixGPU' version '0.0.1'
* package encoding: UTF-8
* checking CRAN incoming feasibility ... NOTE
Maintainer: 'Quirin Stier <Quirin_Stier@gmx.de>'

New submission

Possibly misspelled words in DESCRIPTION:
  Thrun (8:358, 8:482, 8:660)
  Umatrix (8:547)
  coercively (8:346)

Package has a VignetteBuilder field but no prebuilt vignette index.
* checking package namespace information ... OK
* checking package dependencies ... INFO
Vignette dependency required without any vignettes: 'knitr'
* 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 serialization versions ... OK
* checking whether package 'GeneralizedUmatrixGPU' can be installed ... ERROR
Installation failed.
See 'd:/RCompile/CRANincoming/R-devel/GeneralizedUmatrixGPU.Rcheck/00install.out' for details.
* DONE
Status: 1 ERROR, 1 NOTE