[ Started: 2023-01-01 01:14:02 CET ] [ liana v0.1.9 for BioC-3.17 from https://github.com/saezlab/liana@master ] * checking for file ‘./DESCRIPTION’ ... OK * preparing ‘liana’: * checking DESCRIPTION meta-information ... OK Error in loadVignetteBuilder(pkgdir, TRUE) : vignette builder 'knitr' not found Execution halted [ Finished: 2023-01-01 01:14:03 CET ]