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Article ID: 130022, created on Dec 19, 2016, last review on Dec 19, 2016

  • Applies to:
  • Business Automation


There is an event handler that is not needed anymore, it is required to delete it. However attempt to delete it fails with an error message:

ERROR: update or delete on table "TaskHandler" violates foreign key constraint "Task_EHID" on table "Task"


There are failed tasks generated by this event.


You may remove these failed tasks:

Home > System > Settings > Events > Event Type Name > Name Event Handler CONTAINER > Tasks

select all of them and click Delete button.

After that it shall become possible to delete the handler.

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