[ Started: 2023-03-03 01:02:55 CET ] [ cosmosR v1.5.1 for BioC-3.17 from https://github.com/saezlab/cosmosR@master ] * checking for file ‘./DESCRIPTION’ ... OK * preparing ‘cosmosR’: * checking DESCRIPTION meta-information ... OK Error in loadVignetteBuilder(pkgdir, TRUE) : vignette builder 'knitr' not found Execution halted [ Finished: 2023-03-03 01:02:55 CET ]