How To Fix OO644 - There is already an object directory entry: & &

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 644

• Message text: There is already an object directory entry: & &

Self-Explanatory Message

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO644 - There is already an object directory entry: & & ?

  The SAP error message OO644, which states "There is already an object directory entry: & &," typically occurs when you are trying to create or modify an object in the SAP system, and the system detects that an object with the same name or identifier already exists in the object directory.
  
  Cause:
  
  Duplicate Object Name: The most common cause of this error is that you are attempting to create an object (like a program, function module, or class) with a name that already exists in the system.
  Transport Issues: If you are working with transport requests, there may be a conflict with objects that have been transported to the system.
  Namespace Conflicts: If you are using a custom namespace, there might be a conflict with standard SAP objects or other custom objects.
  
  
  Solution:
  
  
  Check Existing Objects: 
  
  Use transaction SE80 (Object Navigator) or SE11 (Data Dictionary) to search for the object name you are trying to create.