How To Fix SDME_DDT121 - The dialog pool &1 does not contain a single screen called &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_DDT - DME: Dialog Design Tool Messages

• Message number: 121

• Message text: The dialog pool &1 does not contain a single screen called &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_DDT121 - The dialog pool &1 does not contain a single screen called &2 ?

  The SAP error message SDME_DDT121 indicates that the dialog pool specified in the error does not contain a screen with the specified screen number. This error typically occurs in the context of SAP's dialog programming, particularly when dealing with screen navigation or when trying to call a screen that does not exist in the specified dialog pool.
  Cause:
  
  Incorrect Screen Number: The screen number you are trying to access may be incorrect or does not exist in the specified dialog pool.
  Dialog Pool Issues: The dialog pool itself may not be properly defined or activated in the system.
  Transport Issues: If the dialog pool was recently transported from another system, it may not have been properly imported or activated.
  Authorization Issues: The user may not have the necessary authorizations to access the specified screen.
  
  Solution:
  
  Verify Screen Number: Check the screen number you are trying to access and ensure it is correct. You can do this by looking in the screen painter (SE80) or the relevant transaction.
  Check Dialog Pool: Ensure that the dialog pool is correctly defined and activated. You can check this in transaction SE80 or SE41.
  Transport Check: If the dialog pool was transported, ensure that it was successfully imported and activated in the target system. You may need to re-import or activate the transport request.
  Authorization Check: Ensure that the user has the necessary authorizations to access the screen. You can check this in transaction SU53 or by consulting with your security team.
  Debugging: If the issue persists, you may need to debug the program to see where the call to the screen is made and what parameters are being passed.
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE41 (Menu Painter), SE93 (Transaction Codes), SU53 (Authorization Check).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation on dialog programming and screen handling for more context on how screens and dialog pools work.
  
  If the problem continues after following these steps, consider reaching out to your SAP Basis or development team for further assistance.