How To Fix DMEE134 - Tree type &1 is already defined in the DMEE_TREE_TYPE table

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 134

• Message text: Tree type &1 is already defined in the DMEE_TREE_TYPE table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE134 - Tree type &1 is already defined in the DMEE_TREE_TYPE table ?

  The SAP error message DMEE134 indicates that there is an attempt to create or define a tree type in the DMEE (Data Medium Exchange Engine) that already exists in the DMEE_TREE_TYPE table. This typically occurs when you are trying to create a new tree type with a name that is already in use.
  Cause:
  
  The error is caused by trying to define a tree type with a name that is already present in the DMEE_TREE_TYPE table. This can happen if:
  
  You are attempting to create a duplicate tree type.
  There was a previous attempt to create the tree type that was not properly deleted or was left in the system.
  There is a misunderstanding about the naming conventions or existing tree types.
  
  
  
  Solution:
  
  
  Check Existing Tree Types:
  
  Go to the transaction code DMEE in SAP.
  Navigate to the "Tree Types" section and check the list of existing tree types.
  Look for the tree type name you are trying to create.
  
  
  
  Rename or Modify:
  
  If the tree type already exists and you need to create a new one, consider using a different name for the new tree type.
  If the existing tree type is no longer needed, you can delete it (ensure that it is not in use) or modify it as required.
  
  
  
  Use Transaction Codes:
  
  Use transaction code SE11 to view the DMEE_TREE_TYPE table directly and confirm the existing entries.
  If you have the necessary authorizations, you can delete or modify the entries directly in the table.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for guidelines on naming conventions and tree type management in DMEE.
  
  
  
  Check for Transport Issues:
  
  If you are working in a transport environment, ensure that the tree types are properly transported and that there are no inconsistencies between development, quality, and production systems.
  
  
  
  Related Information:
  
  DMEE (Data Medium Exchange Engine): This is a tool in SAP used for generating payment files and other data formats for communication with banks and other external systems.
  Tree Types: In DMEE, tree types define the structure of the data that will be generated. Each tree type can have different configurations and settings based on the requirements of the output format.
  Error Handling: Always ensure to check for existing configurations before creating new entries to avoid conflicts and errors.
  
  By following these steps, you should be able to resolve the DMEE134 error and successfully manage your tree types in SAP.