How To Fix DMEE815 - Tree with the name &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: DMEE - Messages for Data Medium Exchange Engine

• Message number: 815

• Message text: Tree with the name &1 already exists

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE815 - Tree with the name &1 already exists ?

  The SAP error message DMEE815 indicates that there is an attempt to create a Data Medium Exchange (DMEE) tree with a name that already exists in the system. This error typically occurs when you are trying to create a new DMEE tree or modify an existing one, and the name you are using is already in use by another tree.
  Cause:
  
  Duplicate Tree Name: The most common cause of this error is that the name you are trying to assign to the new DMEE tree is already being used by another tree in the system.
  Incorrect Configuration: There may be a configuration issue where the system is not recognizing the intended unique name due to caching or other reasons.
  
  Solution:
  
  
  Check Existing Trees: 
  
  Go to the DMEE transaction (usually transaction code DMEE) and check the list of existing trees. Look for the tree name you are trying to create.
  If a tree with that name already exists, you can either choose a different name for your new tree or modify the existing tree if that is appropriate.
  
  
  
  Rename the New Tree: 
  
  If you need to create a new tree, simply choose a different, unique name that does not conflict with existing trees.
  
  
  
  Delete or Archive Existing Tree: 
  
  If the existing tree is no longer needed, you can delete it or archive it, allowing you to reuse the name for your new tree.
  
  
  
  Check for Transport Issues: 
  
  If you are working in a transport environment, ensure that there are no transport requests that might be causing conflicts with tree names.
  
  
  
  Clear Cache: 
  
  In some cases, clearing the cache or refreshing the session may help if the system is not recognizing the changes.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  DMEE - Data Medium Exchange: This is the main transaction for managing DMEE trees.
  
  
  
  Documentation: 
  
  Refer to SAP Help documentation for DMEE for more detailed information on creating and managing DMEE trees.
  
  
  
  SAP Notes: 
  
  Check for any relevant SAP Notes that might address specific issues or bugs related to DMEE trees.
  
  
  
  User Permissions: 
  
  Ensure that you have the necessary permissions to create or modify DMEE trees in your SAP environment.
  
  
  
  By following these steps, you should be able to resolve the DMEE815 error and successfully manage your DMEE trees.