Message type: E = Error
Message class:  S~ - Repository API Business Navigator 
Message number: 016
Message text: Object already exists
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message S~016 "Object already exists" typically occurs when you are trying to create an object (such as a table, view, or other database object) that already exists in the system. This can happen in various contexts, such as when working with ABAP programs, database tables, or other development objects.
Cause: Duplicate Object Creation: You are attempting to create an object (like a table, function module, or class) that already exists in the SAP system. Transport Issues: If you are importing a transport request that contains objects already present in the target system, this error can occur. Naming Conflicts: The object name you are trying to use may conflict with an existing object in the same namespace.
Solution: Check Existing Objects: Before creating a new object, check if an object with the same name already exists. You can do this by using transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function
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