How To Fix SDME_MDB121 - Dialog Pool &1 Already Contains A Dialog with the Name &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_MDB - DME: Maintenance Dialog Builder

• Message number: 121

• Message text: Dialog Pool &1 Already Contains A Dialog with the Name &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDME_MDB121 - Dialog Pool &1 Already Contains A Dialog with the Name &2 ?

  The SAP error message SDME_MDB121 indicates that there is a conflict in the dialog pool because a dialog with the specified name already exists. This typically occurs in the context of SAP's dialog programming, where multiple dialog programs or transactions are being managed.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Duplicate Dialog Names: There are two or more dialog programs that have been assigned the same name within the same dialog pool.
  Transport Issues: If you are transporting objects between systems, a dialog program might have been transported incorrectly, leading to conflicts.
  Development Errors: During the development phase, a developer might have inadvertently created a dialog program with a name that already exists in the dialog pool.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check for Duplicate Dialogs:
  
  Use transaction code SE80 (Object Navigator) or SE11 (Data Dictionary) to search for the dialog program name that is causing the conflict.
  Look for any existing dialog programs in the same dialog pool and identify duplicates.
  
  
  
  Rename or Delete Duplicates:
  
  If you find a duplicate dialog program, consider renaming it to a unique name or deleting it if it is not needed.
  Ensure that the new name adheres to SAP naming conventions.
  
  
  
  Transport Management:
  
  If the issue arose due to a transport, check the transport logs for any errors or conflicts.
  Ensure that the transport requests are correctly configured and that there are no inconsistencies between the development and production environments.
  
  
  
  Check Development Objects:
  
  Review the development objects in the system to ensure that there are no unintentional duplicates created during development.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to dialog programming and dialog pool management for additional guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Dialog Pool: A dialog pool is a collection of dialog programs that are grouped together for efficient management and execution in SAP.
  Naming Conventions: SAP has specific naming conventions for dialog programs, which typically start with a prefix that indicates the type of program (e.g., Z* for custom programs).
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator), SE11 (Data Dictionary), and SE37 (Function Module) for managing and troubleshooting dialog programs.
  
  By following these steps, you should be able to identify and resolve the issue related to the SDME_MDB121 error message.