How To Fix AD578 - &-& (enter constant part of foreign key correctly)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 578

• Message text: &-& (enter constant part of foreign key correctly)

What causes this issue?

If constants are used in foreign keys, they must be defined in the
input field in the foreign key table in the form '<const>'.

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?

The closing <LB>'</> character is probably missing. Please correct.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD578 - &-& (enter constant part of foreign key correctly) ?

  The SAP error message AD578, which states "Enter constant part of foreign key correctly," typically occurs when there is an issue with the foreign key relationship in a database table or when entering data that references a foreign key. This error can arise in various contexts, such as during data entry, table maintenance, or when working with data models.
  Cause:
  
  Incorrect Foreign Key Value: The value entered for a foreign key does not match any existing primary key in the referenced table.
  Missing Required Fields: The foreign key relationship may require additional fields to be filled in, and these fields are not provided.
  Data Type Mismatch: The data type of the foreign key value does not match the data type of the primary key in the referenced table.
  Configuration Issues: There may be issues with the configuration of the foreign key relationship in the data model or database schema.
  
  Solution:
  
  Verify Foreign Key Values: Check the value you are trying to enter for the foreign key and ensure it exists in the referenced table.
  Complete Required Fields: Make sure that all required fields for the foreign key relationship are filled in correctly.
  Check Data Types: Ensure that the data type of the foreign key matches the data type of the primary key in the referenced table.
  Review Table Relationships: If you have access to the data model or database schema, review the foreign key relationships to ensure they are set up correctly.
  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 where you encounter this error, you may be using transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), or others related to data entry.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If you have access to debugging tools, you can trace the program execution to identify where the error is being triggered.
  User Permissions: Ensure that you have the necessary permissions to access and modify the tables involved in the foreign key relationship.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.