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

UMG386 - Overview

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message UMG386 - No mapping for tables and structure found (return code &1). ?

  The SAP error message UMG386, which states "No mapping for tables and structure found (return code &1)," typically occurs in the context of data transfer or integration processes, particularly when using SAP's data migration tools or when working with the SAP Data Services.
  
  Cause:
  The error indicates that the system is unable to find a mapping for the specified tables or structures in the context of the operation being performed. This can happen due to several reasons:
  
  Missing Mapping Configuration: The mapping between the source and target tables or structures has not been defined or is incomplete.
  Incorrect Table/Structure Names: The names of the tables or structures being referenced may be incorrect or misspelled.
  Transport Issues: If the mapping was recently transported from another system, it may not have been properly imported or activated.
  Version Mismatch: There may be a version mismatch between the source and target systems, leading to discrepancies in the expected mappings.
  Authorization Issues: