How To Fix MC716 - Foreign key &-& contains a constant

MC716 - Overview

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 716

• Message text: Foreign key &-& contains a constant

What causes this issue?

Two base tables of a view were linked with a foreign key which contains
a constant.

System Response

Pure information.

How to fix this error?

Make sure that the constant is displayed as a selection condition in
the check table.

Error message extract from SAP system. Copyright SAP SE.

MC716 - Details

• The SAP error message MC716, which states "Foreign key &-& contains a constant," typically occurs in the context of data entry or configuration in SAP, particularly when dealing with master data or transactional data that involves foreign key relationships. This error indicates that a foreign key field is being populated with a constant value that is not allowed according to the defined foreign key relationships in the system.
  
  Cause:
  
  Incorrect Foreign Key Configuration: The foreign key relationship may be incorrectly defined in the system, leading to a situation where a constant value is being used instead of a valid reference.
  Data Entry Error: Users may be entering a constant value directly into a field that is supposed to reference another table or entity.
  Master Data Issues: The master data for the foreign key may not be set up correctly, or the required entries may be missing.
  Custom Development: If there are custom programs or enhancements,