R: Many package imports have issues related to 'pillar'

Hi

I am looking for a solution to this problem

library(geepack)

Error: package or namespace load failed for ?geepack?:
 .onLoad failed in loadNamespace() for 'pillar', details:
  call: readRDS(nsInfoFilePath)
  error: unknown input format

More information:
https://stackoverflow.com/questions/69073165/r-many-package-imports-have-issues-related-to-pillar

Thanks for helping
Sigurjon