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Participant
April 21, 2025

"undoStackIindex is not a function" error

  • April 21, 2025
  • 3 replies
  • 334 views

I'm getting this error in in the events panel adobe premiere pro, but no other information is available. 

 

"undoStackIindex is not a function" 

3 replies

Participant
August 25, 2025

Check any plugins you have installed, I had an issue with Mister Horse. 

Participant
August 20, 2025

I'm also getting this error message - is there any update to this thread Adobe?

IanB_360
Community Manager
Community Manager
April 21, 2025

Hi @Dan26721990ygr8 
Welcome to the Premiere Pro Forum community.  Thank you for taking your time to file a bug report. We would like to help figure this out with you. The team just needs a little more information to begin troubleshooting. If you could just jump to the link here  How do I write a bug report and follow the steps to providing more information about your bug, we will gladly take a look.

Best of luck, we are always here to help.

Ian