How To Fix AD577 - &-&: foreign key constant incorrect (remove field names)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 577

• Message text: &-&: foreign key constant incorrect (remove field names)

What causes this issue?

If constants are used in foreign keys, no foreign key field names
should be specified.

System Response

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

How to fix this error?

Remove the foreign key field names.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD577 - &-&: foreign key constant incorrect (remove field names) ?

  The SAP error message AD577 typically indicates that there is an issue with a foreign key constraint in the database. This error occurs when the value being inserted or updated in a table does not match the expected values defined by the foreign key relationship. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Foreign Key Constraint Violation: The value being inserted or updated in the child table does not exist in the parent table. This means that the foreign key relationship is being violated.
  Data Integrity Issues: There may be inconsistencies in the data, such as missing records in the parent table that are referenced by the child table.
  Incorrect Field Mapping: The fields being used in the foreign key relationship may not be correctly mapped or defined in the database schema.
  Data Type Mismatch: The data types of the foreign key fields in the child and parent tables may not match.
  
  Solution:
  
  Check Data in Parent Table: Ensure that the value you are trying to insert or update in the child table exists in the parent table. If it does not, you will need to insert the corresponding record in the parent table first.
  Review Foreign Key Relationships: Verify the foreign key relationships defined in the database schema. Ensure that they are correctly set up and that the fields involved are properly defined.
  Data Consistency: Run data consistency checks to identify any orphaned records or inconsistencies in the data. You may need to clean up the data to resolve these issues.
  Correct Field Mapping: If there are issues with field mapping, review the database schema and make necessary adjustments to ensure that the foreign key relationships are correctly defined.
  Data Type Verification: Check the data types of the fields involved in the foreign key relationship to ensure they match. If there is a mismatch, you may need to alter the table definitions.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) to view and modify table definitions and foreign key relationships.
  Database Logs: Check database logs for more detailed error messages that can provide additional context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Testing: After making changes, perform tests to ensure that the issue is resolved and that data integrity is maintained.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with a database administrator or SAP support for further assistance.