How To Fix DMC_EXCEPTION001 - Lookup tables cannot have associated source structures at a lower level

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_EXCEPTION - Message class for exception texts

• Message number: 001

• Message text: Lookup tables cannot have associated source structures at a lower level

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_EXCEPTION001 - Lookup tables cannot have associated source structures at a lower level ?

  The SAP error message DMC_EXCEPTION001 indicates that there is an issue with the configuration of lookup tables in the Data Management Console (DMC) of SAP. Specifically, this error occurs when a lookup table is associated with a source structure that is at a lower level in the hierarchy than the lookup table itself. This can lead to inconsistencies in data processing and mapping.
  
  Cause:
  
  Hierarchy Misconfiguration: The lookup table is defined at a higher level in the data hierarchy, while the associated source structure is defined at a lower level. This can happen if the data model is not properly aligned.
  Incorrect Data Mapping: The mapping between the lookup table and the source structure may not be correctly set up, leading to this error.
  Data Model Changes: If there have been recent changes to the data model, such as adding or modifying structures, it may have caused the lookup table to become misaligned with