How To Fix ITOB051 - You may not use any other screens when assigning a full screen

SAP Error Message - Details

• Message type: E = Error

• Message class: ITOB - Messages for development class ITOB

• Message number: 051

• Message text: You may not use any other screens when assigning a full screen

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ITOB051 - You may not use any other screens when assigning a full screen ?

  The SAP error message ITOB051, which states "You may not use any other screens when assigning a full screen," typically occurs when you are trying to perform an action that requires exclusive access to a full-screen transaction or program in SAP. This can happen in various scenarios, such as when you are trying to assign a full-screen transaction to a user or when you are working with certain configuration settings.
  Cause:
  
  Exclusive Access Requirement: The error indicates that the system requires exclusive access to the full-screen transaction you are trying to work with. This means that you cannot have multiple sessions or screens open that are trying to access the same full-screen transaction.
  Session Management: If you have multiple sessions open in SAP and one of them is using a full-screen transaction, you may encounter this error when trying to perform actions in another session that also involves that transaction.
  Configuration Issues: There may be specific configuration settings in your SAP system that enforce this restriction.
  
  Solution:
  
  Close Other Sessions: Ensure that you do not have any other sessions open that are using the same full-screen transaction. Close any unnecessary sessions and try again.
  Log Out and Log In: If closing sessions does not resolve the issue, try logging out of SAP completely and then logging back in. This can help reset any session-related issues.
  Check for Locks: If you are working in a development environment, check if there are any locks on the transaction or program that might be causing the issue. You can use transaction code SM12 to check for locks.
  Consult Documentation: Review the SAP documentation or help files related to the specific transaction or program you are working with to see if there are any known issues or additional requirements.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to your SAP support team or SAP directly for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to help diagnose issues.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message or provide additional troubleshooting steps.
  User Authorizations: Ensure that you have the necessary authorizations to perform the actions you are attempting, as lack of permissions can sometimes lead to unexpected errors.
  
  By following these steps, you should be able to resolve the ITOB051 error and continue your work in SAP.