<{{Subtitle_Weight}} class="prominent-subhead {{Show_Subtitle}}"> {{Header_Subtitle}}

Code Fix: Unable to delete an action from a rule on a form


Issue Description

When you edit a rule on a form and attempt to delete an “open sub form” action from a rule, the action is not deleted, and an error occurs in the browser console.

Error Message

The following error is visible in the browser console: “Uncaught TypeError: Cannot read property 'getAttribute' of null”.


  1. Ensure you have K2 Five (5.1) installed.
  2. Get the K2 Five (5.1) FP12 from Regional Support.
  3. Install the K2 Five (5.1) FP12 to apply the fix.
  4. It is recommended to refresh the browser cache.