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. Ensure that it does not already exist.
  If it does exist, consider using a different name for your new object.
  
  
  
  Delete or Rename Existing Object: 
  
  If the existing object is no longer needed, you can delete it (if you have the necessary authorizations).
  Alternatively, you can rename the existing object if it is appropriate to do so.
  
  
  
  Transport Request Review: 
  
  If you suspect that the error is related to transport requests, check the transport logs and ensure that there are no conflicts with objects being transported.
  
  
  
  Namespace Management: 
  
  If you are working in a custom namespace, ensure that you are following the naming conventions and that there are no conflicts with standard SAP objects.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to the specific object type you are working with for any additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE11 (Data Dictionary), SE37 (Function Module), SE24 (Class Builder).
  SAP Notes: Check SAP Notes for any known issues or additional troubleshooting steps related to this error message.
  Authorization: Ensure you have the necessary authorizations to create or modify objects in the SAP system.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.