How To Fix V0421 - Dynpro & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: V0 - Screen sequence control messages

• Message number: 421

• Message text: Dynpro & does not exist

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message V0421 - Dynpro & does not exist ?

  The SAP error message V0421, which states "Dynpro & does not exist," typically occurs when the system is trying to access a screen (dynpro) that is not defined or does not exist in the SAP system. This can happen for various reasons, including:
  Causes:
  
  Missing Screen Definition: The screen (dynpro) that the program is trying to call has not been created or has been deleted.
  Incorrect Program/Screen Number: The program may be referencing an incorrect screen number or program name.
  Transport Issues: If the screen was recently transported from another system, the transport may not have included the necessary screen definitions.
  Authorization Issues: The user may not have the necessary authorizations to access the screen.
  Development Environment Issues: If you are working in a development environment, the screen may not have been activated or saved properly.
  
  Solutions:
  
  Check Screen Definition: Verify that the screen exists in the program. You can do this by going to the screen painter (SE80 or SE41) and checking if the screen number is defined.
  Correct Program/Screen Reference: Ensure that the program is calling the correct screen number. You can check the program code for any hardcoded screen numbers or references.
  Transport Check: If the screen was transported, check the transport logs to ensure that the screen was included in the transport request and that it was successfully imported into the target system.
  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.
  Activate Screen: If you are in a development environment, make sure that the screen is activated. You can do this in the screen painter by selecting the screen and activating it.
  Debugging: If the issue persists, you can debug the program to see where the call to the non-existent screen is being made and gather more context about the error.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator), SE41 (Menu Painter), and SE38 (ABAP Editor) to investigate the issue further.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  If you continue to experience issues after trying these solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.