How To Fix /STMC/CR_MSG330 - Error while evaluating expression; referenced screen &1 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 330

• Message text: Error while evaluating expression; referenced screen &1 not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /STMC/CR_MSG330 - Error while evaluating expression; referenced screen &1 not found ?

  The SAP error message /STMC/CR_MSG330 indicates that there is an issue with evaluating an expression in a screen, specifically that the referenced screen (&1) could not be found. This error typically arises in the context of SAP's screen management, particularly when working with custom screens or transactions.
  Cause:
  
  Screen Not Defined: The screen that is being referenced in the expression may not be defined in the system. This could happen if the screen was deleted or if there was a typo in the screen number.
  Incorrect Program/Transaction: The program or transaction that is trying to access the screen may not be correctly configured to reference the intended screen.
  Authorization Issues: The user may not have the necessary authorizations to access the screen, leading to it being "invisible" to the user.
  Transport Issues: If the screen was recently transported from a development environment to a production environment, there may have been issues during the transport process that caused the screen to not be available.
  
  Solution:
  
  Check Screen Definition: Verify that the screen number referenced in the error message exists in the system. You can do this by checking the screen definitions in the relevant program using transaction SE80 or SE38.
  Review Program Logic: Ensure that the program or transaction is correctly coded to reference the intended screen. Look for any hardcoded screen numbers or dynamic screen evaluations that may be incorrect.
  Authorization Check: Ensure that the user has the necessary authorizations to access the screen. You can check this using transaction SU53 or by reviewing the user's roles and authorizations.
  Transport Validation: If the screen was recently transported, check the transport logs for any errors. You may need to re-transport the screen or manually create it in the target environment.
  Debugging: If the issue persists, consider debugging the program to see where the evaluation is failing. This can provide insights into why the screen is not being found.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) and SE38 (ABAP Editor) to investigate the program and screen definitions.
  SAP Notes: Check SAP Notes for any known issues related to this error message. Sometimes, there may be patches or updates that address specific problems.
  Community Forums: Consider searching or posting on SAP community forums or platforms like SAP Community, Stack Overflow, or SAP Answers for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.