How to disable 'Maintain a Single Source of Truth for Project Team Members and Labor Resources'

Summary:

How to disable 'Maintain a Single Source of Truth for Project Team Members and Labor Resources'.

We have this feature enabled in our implementation by a prior consultant and we don't like this feature.

It takes away the ability to do Advanced Project searches and hence we would like to disable this.

While trying to disable this:

We are encountering the following message:

Please advise what to do to disable this.

Thanks

Content (please ensure you mask any confidential information):

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

24B

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