* using log directory ‘/srv/hornik/tmp/CRAN_pretest/recommenderlab.Rcheck’
* using R Under development (unstable) (2025-05-28 r88250)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 19.1.7 (3)
    Debian flang-new version 19.1.7 (3)
* running under: Debian GNU/Linux 13 (trixie)
* using session charset: UTF-8
* checking for file ‘recommenderlab/DESCRIPTION’ ... OK
* this is package ‘recommenderlab’ version ‘1.0.7’
* checking CRAN incoming feasibility ... [5s/8s] NOTE
Maintainer: ‘Michael Hahsler <mhahsler@lyle.smu.edu>’

Found the following (possibly) invalid URLs:
  URL: https://www.amazon.com/Building-Recommendation-System-Suresh-Gorakala/dp/1783554495
    From: README.md
    Status: 500
    Message: Internal Server Error
* checking package namespace information ... OK
* checking package dependencies ... ERROR
Package required and available but unsuitable version: ‘arules’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
* DONE
Status: 1 ERROR, 1 NOTE