How To Fix DMC_GENERAL370 - Structure &1 is a lookup table; it cannot be mapped to a target structure

DMC_GENERAL370 - Overview

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 370

• Message text: Structure &1 is a lookup table; it cannot be mapped to a target structure

A lookup table contains records that are looked up from a field in
another table to fill in the value of that field. The table can be
referenced by rules and used by mapping operations, but does not
directly provide content for fields in the target system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL370 - Structure &1 is a lookup table; it cannot be mapped to a target structure ?

  The SAP error message DMC_GENERAL370 indicates that there is an issue with mapping a lookup table to a target structure in the context of Data Migration Cockpit (DMC) or similar data migration tools. This error typically arises when you attempt to map a structure that is defined as a lookup table, which is not allowed in the current context.
  
  Cause:
  
  Lookup Table Definition: The structure you are trying to map is defined as a lookup table in the system. Lookup tables are typically used for reference data and are not intended to be directly mapped to target structures.
  Incorrect Mapping: The mapping configuration may be incorrectly set up, where a lookup table is being treated as a standard data structure.
  Data Migration Configuration: The data migration configuration may not be set up to handle lookup tables appropriately.
  
  
  Solution:
  
  Review the Mapping: Check the mapping configuration in the Data Migration Cockpit. Ensure that you are not trying