Global variables from profile are not found after checking out branches

Katalon Version: 5.4.2
Chrome Version: 67.0.3396.87

I am running into the same exact error as found here:

This occurs after checking out different branches from my remote repository. I can usually work around this error by switching to a different project in Katalon and then back to the original project. Also, I can close and reopen Katalon and the test case(s) will be able to locate the global variables and pass. It will work fine until I checkout another branch and the global variable error pops up again. Your support is greatly appreciated. Thanks!