How To Fix SDME_MDB120 - There is no dialog with the name &2 in the dialog pool &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_MDB - DME: Maintenance Dialog Builder

• Message number: 120

• Message text: There is no dialog with the name &2 in the dialog pool &1

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 SDME_MDB120 - There is no dialog with the name &2 in the dialog pool &1 ?

  The SAP error message SDME_MDB120 indicates that there is no dialog with the specified name in the dialog pool. This error typically occurs in the context of SAP's dialog programming, where a dialog screen or transaction is expected to be available but cannot be found.
  Cause:
  
  Missing or Incorrect Dialog Definition: The dialog screen or transaction may not be defined correctly in the system. This could be due to a missing screen or a misconfiguration in the dialog pool.
  Transport Issues: If the dialog was recently transported from another system, it may not have been transported correctly, leading to missing components.
  Authorization Issues: The user may not have the necessary authorizations to access the dialog, leading to the system not being able to find it.
  System Configuration: There may be issues with the configuration of the dialog instance or the application server.
  
  Solution:
  
  Check Dialog Definition: Verify that the dialog screen or transaction is correctly defined in the system. You can do this by checking the transaction codes and screen numbers in the ABAP Workbench (SE80 or SE11).
  Transport Check: If the dialog was recently transported, ensure that all necessary objects were included in the transport request and that they were imported successfully.
  Authorization Check: Ensure that the user has the necessary authorizations to access the dialog. You can check this using transaction SU53 to analyze authorization issues.
  System Logs: Check the system logs (transaction SM21) for any related errors or warnings that might provide more context about the issue.
  Restart Dialog Instance: If the issue persists, consider restarting the dialog instance or the entire application server to refresh the dialog pool.
  Debugging: If you have access to the development environment, you can debug the program to see where the error is being triggered and gather more information about the missing dialog.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE11 (Data Dictionary), and SM21 (System Log).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to dialog programming and screen management for a deeper understanding of how dialogs are managed within the SAP environment.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP Basis or development team for further assistance.