How To Fix 54121 - A valid dynpro number has not been specified

SAP Error Message - Details

• Message type: E = Error

• Message class: 54 - Messages for HR tables

• Message number: 121

• Message text: A valid dynpro number has not been specified

What causes this issue?

By specifying the screen number for an absence/attendance type, you
determine which screen should be used for entering, displaying and
maintaining records for this absence/attendance type. The following
screens are currently available:
Absences:
- 2000 Absences (general)
- 2001 Quota deduction
- 2002 Incapacity to work
- 2003 Maternity protection
- 2004 Military service
- 2005 Incapacity to work (Netherlands)
Attendances:
- 2050 Quota deduction
- 2051 No quota deduction

System Response

The input has been terminated because data inconsistencies can occur
when using a flat screen.

How to fix this error?

Please enter a screen number corresponding to the type (absence or
attendance type) in the time record.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 54121 - A valid dynpro number has not been specified ?

  The SAP error message "54121: A valid dynpro number has not been specified" typically occurs when there is an issue with the screen (dynpro) number being referenced in a program or transaction. This error can arise in various scenarios, such as when a custom program is executed or when navigating through screens in a transaction.
  Cause:
  
  Invalid Dynpro Number: The program is trying to call a screen (dynpro) that does not exist or is not defined correctly.
  Incorrect Program Logic: There may be a logical error in the program that leads to an attempt to call a screen without a valid number.
  Screen Not Defined: The screen might not be defined in the screen painter or might have been deleted or not activated.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the specified screen.
  
  Solution:
  
  Check Dynpro Number: Verify that the dynpro number being called in the program is valid and exists in the system. You can do this by checking the screen numbers in the relevant program using transaction SE80 or SE38.
  Review Program Logic: Look through the program code to ensure that the logic for calling screens is correct. Ensure that the dynpro number is being set properly before it is called.
  Screen Activation: If you are working with a custom screen, ensure that it is activated in the screen painter (transaction SE80).
  Debugging: Use the debugger to trace the program execution and see where the invalid dynpro number is being set or called. This can help identify the root cause of the issue.
  Authorization Check: Ensure that the user has the necessary authorizations to access the screen. You can check this in transaction SU53 after the error occurs.
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE38 (ABAP Editor), SE11 (Data Dictionary), and SE37 (Function Module).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Documentation: Review the documentation for the specific program or transaction to understand the expected behavior and any prerequisites for screen navigation.
  
  If the issue persists after checking the above points, it may be helpful to consult with a developer or SAP support for further assistance.