How To Fix DI753 - No foreign key fields found for check field &-&

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 753

• Message text: No foreign key fields found for check field &-&

What causes this issue?

Every secondary table of a lock object must be connected to a base table
above it in the hierarchy by a join condition. This join condition must
be implemented by a foreign key. This foreign key must have the
secondary table as foreign key table and the base table above it in the
hierarchy as check table.
One of the join conditions of the lock object is implemented via a
foreign key relationship with the check field specified. For this
foreign key relationship, however, no foreign key fields can be found.

System Response

The action is cancelled.

How to fix this error?

Ensure that the join condition is implemented via a valid foreign key
relationship.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DI753 - No foreign key fields found for check field &-& ?

  The SAP error message DI753 "No foreign key fields found for check field &-&" typically occurs in the context of data validation or integrity checks within the SAP system, particularly when dealing with database tables and their relationships. This error indicates that the system is unable to find any foreign key fields associated with the specified check field in the database table.
  Cause:
  
  
  Missing Foreign Key Definition: The check field specified in the error message does not have a corresponding foreign key defined in the database table. This can happen if the foreign key relationship was not set up correctly during table design.
  
  
  Incorrect Table Configuration: The table may not be configured properly, or the foreign key relationship may have been deleted or not activated.
  
  
  Data Inconsistency: There may be inconsistencies in the data that violate the expected foreign key relationships.
  
  
  Custom Development Issues: If there are custom programs or enhancements that interact with the database, they may not be handling foreign key relationships correctly.
  
  
  Solution:
  
  
  Check Foreign Key Definitions:
  
  Go to the Data Dictionary (transaction SE11) and check the table definition for the check field mentioned in the error message.
  Verify if the foreign key relationships are defined correctly. If not, you may need to create or adjust the foreign key relationships.
  
  
  
  Activate Foreign Key Relationships:
  
  If the foreign key relationships are defined but not activated, you can activate them in the Data Dictionary.
  
  
  
  Review Table Configuration:
  
  Ensure that the table configuration is correct and that all necessary foreign key relationships are in place.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the data to ensure that there are no orphaned records or data that violates the foreign key constraints.
  
  
  
  Debug Custom Code:
  
  If the error is occurring in a custom program, review the code to ensure that it is correctly handling foreign key relationships.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific table and check field to see if there are any known issues or additional configuration steps required.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE11 (Data Dictionary)
  SE14 (Database Utility)
  SE37 (Function Module)
  
  
  
  SAP Notes: Check SAP Notes for any specific issues related to the error message DI753. You can search for relevant notes in the SAP Support Portal.
  
  
  Testing: After making changes, test the functionality to ensure that the error is resolved and that the foreign key relationships are functioning as expected.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP Basis or ABAP consultant who can provide deeper insights into the database structure and relationships.