Error when deploying new version

[DavidColquhoun]

I get following error when trying to deploy a new version of a shiny app. I've tried switching off package cache in settings/advanced, but still get the same error

Warning in install.packages("pwr") :
'lib = "/opt/R/4.0.2/lib/R/library"' is not writable
Error in value[3L] : unable to install packages

[andresrcs]

@DavidColquhoun

install.packages("pwr")

Are you including install commands in your code? If so, that is the problem.

If you need more specific help, please prepare a reproducible example (reprex) illustrating your issue. Have a look at this resources, to see how to create one for a shiny app

Chapter 6 Workflow | Mastering Shiny

Shiny debugging and reprex guide

Shiny issues can be challenging to resolve relative to other problems with your code or statistical methods. Shiny apps are often large, complex projects with interacting files. When seeking help from others it is considered polite to: First, do your best to work through RStudio's debugging tools to diagnose your issue on your own. Often those shiny logs and tracebacks are useful to others trying to help out. Second, strive to minimize the effort required to replicate your issue. You can do this with a reproducible example ("reprex"). Shiny Debugging Errors in Shiny code can be difficult to track down. If you don't know where your problem is coming from, you can track it down with some o…

[DavidColquhoun]

WOW yes -thanks a million. The code included
install.packages("pwr")
which was needed on a previous server. Once I removed that, it deployed with no problems.
It's now live at https://davidcolquhoun.shinyapps.io/fpr-calc-ver1-7/
Thanks again.