SAP Message BEA701 - The business add-ins for application &1 do not have any methods

Diagnosis Business Add-Ins (BAdIs) have been defined for the Billing EngineApplication "&V1&," but these BAdIs have no methods. This is not necessarily an error - but it might mean that the metadataof the application &v1& has not been maintained in full. Procedure Contact your system administrator. BILL_SYSADJ_WORKB Procedure for System Administration Maintain the metadata in Customizing.