Message type: E = Error
Message class: CN - Meldungen für Netzpläne
Message number: 307
Message text: You are not authorized to change activity or element &1 &2
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The SAP error message CN307 ("You are not authorized to change activity or element &1 &2") typically occurs when a user attempts to modify a project activity or element for which they do not have the necessary authorization. This is a common issue in SAP systems where user roles and authorizations are strictly managed to ensure data integrity and security.
Cause: Authorization Issues: The user does not have the required authorization object to change the specified activity or element. This could be due to missing roles or insufficient permissions assigned to the user. Project Status: The project or activity may be in a status that does not allow changes (e.g., completed or closed). Element Locking: The activity or element might be locked by another user or process, preventing changes.
Solution: Check User Authorizations: Verify the user's roles and authorizations in the SAP system. This can be done by using transaction code SU53 immediately after the error occurs
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