How To Fix MC070 - Field & is part of a foreign key

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 070

• Message text: Field & is part of a foreign key

What causes this issue?

The selected field is redundant as part of a foreign key.
At least all the primary key fields which are not simultaneously
foreign key fields must be contained in certain types of views and in
matchcode objects. The foreign key fields are redundant since they have
the same values as the corresponding primary key fields.

System Response

The system gives a warning.

How to fix this error?

Remove the redundant field from the view or matchcode object.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC070 - Field & is part of a foreign key ?

  The SAP error message MC070, which states "Field & is part of a foreign key," typically occurs when there is an issue related to data integrity in the context of foreign key relationships in the database. This error can arise in various scenarios, particularly when dealing with master data or transactional data in SAP.
  
  Cause:
  
  
  Foreign Key Constraint Violation: The error indicates that the field in question is part of a foreign key relationship, and the value being entered or modified does not exist in the corresponding primary key table. This means that the system is trying to enforce referential integrity, and the data being processed does not meet the required conditions.
  
  
  Data Entry Issues: If a user is trying to enter a value that is not valid or does not exist in the related table, this error will be triggered.
  
  
  
  Configuration Issues: Sometimes, the configuration of the foreign key relationships in the database