Issue Summary

Automation rule fails if the user is deactivated after the automation has already been created.

This is reproducible on Data Center: Yes

Steps to Reproduce

• Create a multi-user picker custom field and associate it with project
• Go to Project settings -> Project Automation
• Create an automation rule for the trigger "Issue created"
• Add any condition, let's say Customer Request type is Get IT Help
• Set action on "Edit issue fields" and add users to the multi-user picker custom field as below
• If you create any request from the customer portal then it works fine as below
  
• Now, deactivate any user which is added to the custom field

Expected Results

Automation rule should add the active users and exclude the inactive user.

Actual Results

• Automation rule fails and multi-user picker is not added to the issue created
  
• Error in Audit log

  User '<SOME_USERNAME>' is not valid for this user picker. (customfield_XXXXX)
  

  

Workaround

Currently, there is no known workaround for this behavior. A workaround will be added here when available