Last R STudio upgrade.

Hi, welcome!

We don't really have enough info to help you out, RStudio is an IDE for the R programming language but it has no direct effect on your R package library so it is unlikely the cause of your problem. Could you ask this with a minimal REPRoducible EXample (reprex)? A reprex makes it much easier for others to understand your issue and figure out how to help.

If you've never heard of a reprex before, you might want to start by reading this FAQ: