SAP Message UMG386 - No mapping for tables and structure found (return code &1).

Diagnosis During the preparation of the IUUC procedure the mapping of tables andstructures could not be retrieved because the call of the methodsCL_IUUC_UC_SETTINGS=>GET_ORIG_TAB_MAPPING (return code 1) orCL_IUUC_UC_SETTINGS=>GET_SENDER_DDIC_MAPPING (return code 2) failed. Without the correct mapping of tables and structures it is not possibleto execute the IUUC procedure. System Response Procedure Make sure that the methods are available in the system.