How To Fix UMG386 - No mapping for tables and structure found (return code &1).

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 386

• Message text: No mapping for tables and structure found (return code &1).

What causes this issue?

During the preparation of the IUUC procedure the mapping of tables and
structures could not be retrieved because the call of the methods
CL_IUUC_UC_SETTINGS=>GET_ORIG_TAB_MAPPING (return code 1) or
CL_IUUC_UC_SETTINGS=>GET_SENDER_DDIC_MAPPING (return code 2) failed.
Without the correct mapping of tables and structures it is not possible
to execute the IUUC procedure.

System Response

How to fix this error?

Make sure that the methods are available in the system.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.