How To Fix DMEE_ABA134 - Tree type &1 is already defined in the table DMEE_TYPE_ABA

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 134

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE_ABA134 - Tree type &1 is already defined in the table DMEE_TYPE_ABA ?

  The SAP error message DMEE_ABA134 indicates that there is an issue with the DMEE (Data Medium Exchange Engine) configuration, specifically related to the tree type that is already defined in the DMEE_TYPE_ABA table. This error typically occurs when you are trying to create or modify a tree type that already exists in the system.
  Cause:
  The error is caused by attempting to define a tree type in the DMEE configuration that has already been defined in the DMEE_TYPE_ABA table. This can happen if:
  
  You are trying to create a new tree type with the same name as an existing one.
  There is a duplicate entry in the configuration.
  The system is trying to import or activate a configuration that conflicts with existing definitions.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Tree Types:
  
  Go to transaction code DMEE in SAP.
  Navigate to the tree types and check if the tree type you are trying to create already exists.
  If it does exist, you may need to modify the existing tree type instead of creating a new one.
  
  
  
  Modify or Delete Duplicate:
  
  If you find that the tree type is indeed a duplicate, you can either modify the existing tree type to meet your requirements or delete it if it is no longer needed.
  Ensure that you have the necessary authorizations to make these changes.
  
  
  
  Use a Unique Name:
  
  If you need to create a new tree type, ensure that you use a unique name that does not conflict with existing entries in the DMEE_TYPE_ABA table.
  
  
  
  Check for Transport Issues:
  
  If this error occurs after a transport, check if the transport included any changes to the DMEE configuration that might have caused the conflict.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to DMEE configuration for any additional guidance or best practices.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes: DMEE (for Data Medium Exchange Engine configuration).
  Tables: DMEE_TYPE_ABA (table where tree types are stored).
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the DMEE_ABA134 error and successfully manage your DMEE tree types.