Why 'Get all unprocessed project costs' API not return any values?

Summary:

Why 'Get all unprocessed project costs' API not return any values?

Content (please ensure you mask any confidential information):

We use 'Get all unprocessed project costs' API to get all unprocessed cost, but not return any values.

We can search values in UI.

We use the same authorization to test get project cost API, it works. So it's seems not the role or data access problem.

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

Oracle Fusion Cloud Applications25B (11.13.25.04.0)

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