Message type: E = Error
Message class:  DDLS - For DDL source handling 
Message number: 525
Message text: & is a table function
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The SAP error message DDLS525 typically indicates an issue related to the Data Dictionary in SAP, specifically when dealing with table definitions or structures. The error message usually states something along the lines of "Table function not defined" or "Table function not found."
Cause: Missing Table Function: The table function that is being referenced in your code or data dictionary is not defined or does not exist in the system. Incorrect Naming: There might be a typo or incorrect naming in the function call. Transport Issues: If the table function was recently transported from another system, it may not have been included or activated properly. Authorization Issues: The user may not have the necessary authorizations to access the table function.
Solution: Check Existence: Verify that the table function exists in the system. You can do this by navigating to the relevant transaction (like SE11 for Data Dictionary) and checking if the function is defined. Correct Naming: Ensure that
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