SAP Message USMD1560 - Model &1, reuse area &2: ABAP class &3 cannot be used

Diagnosis
The ABAP class for accessing the database tables in thereuse active area must meet the followingprerequisites:

  • The class must be activated.

  • The class must implement the interface IF_USMD_PP_ACCESS.

  • The instance generation of the class must be "public".

  • The CONSTRUCTOR must only have optional IMPORTING parameters.

    • System Response
    The data model cannot be activated.

    Procedure
    Select an ABAP class that meets the above requirements.