How To Fix AD302 - Foreign key &-& (no classified field/value specified with &)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 302

• Message text: Foreign key &-& (no classified field/value specified with &)

It does not make sense to specify a classifying field or value
in relationships that are not of relationship type CLAS.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD302 - Foreign key &-& (no classified field/value specified with &) ?

  The SAP error message AD302 indicates that there is a foreign key constraint violation in the system. This typically occurs when a value that is being entered into a field does not correspond to an existing value in the related table, which is defined by the foreign key relationship.
  Cause:
  
  Missing Value: The value you are trying to enter does not exist in the referenced table.
  Incorrect Value: The value entered may be incorrect or misspelled.
  Data Consistency Issues: There may be inconsistencies in the data, such as missing entries in the master data that are required for the transaction.
  Configuration Issues: The foreign key relationship may not be properly configured in the system.
  
  Solution:
  
  Check the Value: Verify that the value you are trying to enter exists in the corresponding table. You can do this by checking the relevant master data.
  Correct the Entry: If the value is incorrect, correct it to match an existing entry in the foreign key table.
  Review Configuration: If you suspect a configuration issue, review the foreign key settings in the relevant data dictionary (e.g., table definitions) to ensure they are set up correctly.
  Data Maintenance: If the required data is missing, you may need to create the necessary entries in the master data tables.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the transaction or module you are working with.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to check or maintain the relevant data (e.g., SE11 for Data Dictionary, SE16 for table display).
  Debugging: If the issue persists, consider using the debugging tools in SAP to trace the error and understand where the foreign key violation is occurring.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message AD302.
  User Authorization: Ensure that you have the necessary authorizations to view or modify the data in question.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.