I had the same issue with trying to package pages in a custom module from the global action. I was able to get it to work using the mass action after multi-selecting the pages I wanted to package and selecting ‘Existing Page Pack’
I had the same issue with trying to package pages in a custom module from the global action. I was able to get it to work using the mass action after multi-selecting the pages I wanted to package and selecting ‘Existing Page Pack’