How To Fix CNV_DMC_MC_EXCEPTION076 - &1 is a lookup table; it cannot be part of any foreign key relationship

CNV_DMC_MC_EXCEPTION076 - Overview

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 076

• Message text: &1 is a lookup table; it cannot be part of any foreign key relationship

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 CNV_DMC_MC_EXCEPTION076 - &1 is a lookup table; it cannot be part of any foreign key relationship ?

  The SAP error message CNV_DMC_MC_EXCEPTION076 indicates that a specific table, referred to as a "lookup table," cannot be part of any foreign key relationship. This error typically arises during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
  
  Cause:
  
  Lookup Table Definition: Lookup tables are designed to store reference data that is not meant to be linked to other tables through foreign keys. They often contain static data that is used for validation or selection purposes.
  Foreign Key Constraints: The error occurs when there is an attempt to establish a foreign key relationship with a lookup table, which is not allowed by design. Foreign keys are meant to enforce referential integrity between tables, and lookup tables are not structured to support this.
  Data Model Misconfiguration: The data model may have been incorrectly configured, leading to an attempt to create a foreign key relationship with a lookup