2513577 - OData service cannot be added: Metadata call for connector XYZ~A~B~ was not succesful. Diagnosis Metadata call for connector XX...

When adding a service or when loading its metadata an error message raised on the SAP Gateway hub system:

Metadata not loaded. See /IWBEP/ERROR_LOG in backend '<System_Alias>'

Metadata call for connector <SW_COMPONENT>~STANDARD~<CONNECTOR>~ was not succesful.
Diagnosis Metadata call for connector XXx was not succesful.

As well as on the backend:

Metadata call for connector  was not succesful.

• SAP Gateway
• NetWeaver Enterprise Search

succesful, OData, service, create, unable, add, added, activate, find, service, SAPAPPLH ~STANDARD ~ INSP_METHOD_H~, successful, CBN_ES_MESSAGE032, Metadata call for connector XXX was not successful, S_CBN_ODATA_ADPT_ES_GW, /IWFND/MGW_GSR_CORE, SAPAPPLH~STANDARD~HOUSEBANKACCOUNT_H~ , KBA , BC-EIM-ESH , NetWeaver Enterprise Search , OPU-GW-COR , Framework , CA-UI2-AR-BE , SAP UI Integration - Application Reuse - Backend Enabl. , Problem