Message type: E = Error
Message class:  DDLS - For DDL source handling 
Message number: 527
Message text: In the object hierarchy, at least one table function exists
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The SAP error message DDLS527 indicates that there is at least one table function present in the object hierarchy that is causing an issue. This typically occurs when you are trying to perform certain operations on database objects, such as modifying or deleting a table or view that is dependent on a table function.
Cause: The error arises because the object you are trying to modify or delete has dependencies on one or more table functions. Table functions are database objects that can return a table-like result set and are often used in conjunction with other database objects. If these dependencies are not resolved, the system will prevent you from making changes to ensure data integrity.
Solution: To resolve the DDLS527 error, you can follow these steps: Identify Dependencies: Use the SAP transaction code SE11 (Data Dictionary) or SE80 (Object Navigator) to check the dependencies of the object you are trying to modify or delete. Look for
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