SAP Message USMD2278 - Implementation of BAdI USMD_UI_EVENT2 has an error

Diagnosis
The implementation of the Business Add-In (BAdI)Adjust User Interface for Single Processing(USMD_UI_EVENT2) is incorrect, meaning that at least one of the BAdImethods provides incorrect data.
A possible cause for this error is that your BAdI implementationprovides incorrect data when calling method INITIALIZE orMODIFY_VIEW in table CT_DATA.

System Response
Since the incorrect data is ignored, your user interface may not bedisplayed correctly, or data is not updated correctly.

Procedure
Check your implementation of BAdI USMD_UI_EVENT2.