SAP Message AH420 - Schema &1 contains no schema steps

Diagnosis
The following factors could have led to this error message:

  • Schema &V1& contains no schema steps.

  • The schema key is missing in the rate category or the installation
  • System Response
    Billing of schema is canceled.

    Procedure

    • Insert rate steps in schema &V1& so that the rate layout is complete.

    • Enter the key for a schema which contains the rates belonging to the
    • contract.