How To Fix E2551 - Switch to change mode is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 551

• Message text: Switch to change mode is not possible

What causes this issue?

You have to go to change mode in order to correct an error.

System Response

This was not possible. Either the type group is already being edited or
you do not have authorization to change the type group.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E2551 - Switch to change mode is not possible ?

  The SAP error message E2551, "Switch to change mode is not possible," typically occurs when a user attempts to switch from display mode to change mode in a transaction or application where changes are not allowed. This can happen for several reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to make changes in the specific transaction or application.
  System Settings: The system may be configured to restrict changes in certain scenarios, such as when a document is locked or in a specific status.
  Transaction Mode: The transaction may be in a mode that does not allow changes, such as being in a display-only mode.
  Document Status: The document or object you are trying to change may be in a status that prohibits modifications (e.g., completed, archived).
  User Lock: The user might be locked in the system, preventing any changes.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to perform changes in the transaction. This can be verified by checking the user's roles and authorizations in the SAP system.
  Review Document Status: Check the status of the document or object you are trying to change. If it is locked or in a status that does not allow changes, you may need to unlock it or change its status.
  Switch Transaction Mode: If applicable, try to switch to a different transaction mode that allows changes. This may involve navigating to a different screen or using a different transaction code.
  Consult with Administrator: If you are unsure about the settings or authorizations, consult with your SAP system administrator or support team for assistance.
  Check for Locks: Verify if there are any locks on the user or the document that might be preventing changes. This can be done using transaction codes like SM12 (for user locks) or SM21 (for system logs).
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SU53 (to check authorization issues) and SM37 (to check job logs).
  SAP Notes: Look for SAP Notes related to this error message for any specific patches or updates that may address the issue.
  Documentation: Review SAP documentation or help files for the specific transaction you are working with to understand its behavior and restrictions.
  
  If the issue persists after trying the above solutions, it may be necessary to escalate the problem to your SAP support team for further investigation.