Implement Work definition name shows incorrect value in Plan inputs

Summary:

Content (required):

I have created Work definition for an item...When I try to generate work orders using Planning module, I get the following error:

When I checked Plan Inputs, it shows the Implement Work definition name value as "Default" instead of "Main". How to change the value because it is not allowing to edit the value...

Version (include the version you are using, if applicable):

22C

Code Snippet (add any code snippets that support your topic, if applicable):