How To Fix AD571 - Partial foreign key incorrectly specified - remove field names

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 571

• Message text: Partial foreign key incorrectly specified - remove field names

What causes this issue?

Not all fields of partial foreign keys are to be checked against the
key fields of the check table. Fields that are not to be checked are
marked with an asterisk (*) in the foreign key table and the foreign
key fields should be left empty.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Leave field names empty if a field with a partial foreign key is not to
be checked. (An asterisk (*) must be entered on the appropriate line
of the foreign key table.)

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD571 - Partial foreign key incorrectly specified - remove field names ?

  The SAP error message AD571, "Partial foreign key incorrectly specified - remove field names," typically occurs in the context of database table definitions, particularly when defining foreign keys in the Data Dictionary (SE11) or while working with database views.
  Cause:
  This error arises when a foreign key relationship is defined incorrectly. Specifically, it indicates that the foreign key is not fully specified, meaning that the foreign key fields do not match the primary key fields of the referenced table. This can happen due to:
  
  Partial Specification: The foreign key is defined with only some of the fields of the primary key of the referenced table.
  Field Names: The foreign key definition includes field names that are not part of the primary key of the referenced table.
  Inconsistent Data Types: The data types of the foreign key fields do not match the corresponding primary key fields.
  
  Solution:
  To resolve the AD571 error, you can follow these steps:
  
  
  Check Foreign Key Definition:
  
  Go to the Data Dictionary (SE11) and check the foreign key definition.
  Ensure that all fields specified in the foreign key are part of the primary key of the referenced table.
  
  
  
  Remove Field Names:
  
  If the foreign key is defined with specific field names, consider removing them to allow SAP to automatically infer the correct fields based on the primary key of the referenced table.
  
  
  
  Ensure Full Key Specification:
  
  If the foreign key is meant to reference a composite primary key, ensure that all fields of the composite key are included in the foreign key definition.
  
  
  
  Data Type Consistency:
  
  Verify that the data types of the foreign key fields match those of the primary key fields in the referenced table.
  
  
  
  Re-activate the Table/View:
  
  After making the necessary changes, re-activate the table or view to ensure that the changes take effect.
  
  
  
  Related Information:
  
  Transaction Codes: You can use SE11 (Data Dictionary) to view and modify table definitions and foreign keys.
  Documentation: Refer to SAP Help documentation for detailed guidelines on defining foreign keys and understanding the Data Dictionary.
  Testing: After making changes, test the foreign key relationship by attempting to insert or update records in the table to ensure that the relationship works as expected.
  
  By following these steps, you should be able to resolve the AD571 error and correctly define the foreign key relationship in your SAP system.