Message type: E = Error
Message class:  CTS_ORGANIZER_MSG - Message Class for the Transport Organizer 
Message number: 015
Message text: Transport request &1 was preselected
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The SAP error message CTS_ORGANIZER_MSG015 indicates that a transport request has been preselected for a specific operation, which means that the transport request is already marked for processing in the Change and Transport System (CTS). This can occur in various scenarios, such as when you are trying to release or import a transport request that has already been selected for a previous operation.
Cause: Preselection of Transport Request: The transport request you are trying to work with has already been preselected for another operation, such as a release or import. Multiple Users: If multiple users are working on the same transport request, one user may have already preselected it, causing the error for others. System Configuration: There may be specific configurations or settings in the CTS that lead to this behavior.
Solution: Check Transport Request Status: Verify the status of the transport request in the Transport Organizer (transaction code SE09 or SE10). Ensure that it is
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