Message type: E = Error
Message class:  CNV_CDOP_CA - CDOP Clearing Analysis 
Message number: 199
Message text: Please enter the transport request(s).
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The SAP error message CNV_CDOP_CA199, which states "Please enter the transport request(s)," typically occurs during the process of data migration or when using the SAP Conversion Tools. This error indicates that the system requires a transport request to be specified for the changes or objects that are being processed.
Cause: Missing Transport Request: The most common cause of this error is that the user has not specified a transport request when prompted. Transport requests are necessary for transporting changes between different SAP systems (e.g., from development to quality assurance or production). Authorization Issues: The user may not have the necessary authorizations to create or assign transport requests. System Configuration: There may be issues with the system configuration that prevent the transport request from being recognized or created.
Solution: Enter a Transport Request: When prompted by the system, ensure that you enter a valid transport request number. If you do not have one, you may need to create
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