How to delete the double buttons after running up the Configuration Delivery Task?

V5 Question
1

I cannot find these buttons anywhere(including in Automation) so that I can delete one of them. Help needed.

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2

Check Tickets -> Ticket Types -> Entity Type List. You may have duplicate Deliverer.

3

Thanks. It solve the issues. It turns out that I have an old misspelled entity that I edited still lingering in the system.