Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 459
Message text: No source system information found
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.
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The SAP error message CNV_NCE_BAS459: No source system information found typically occurs during data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other data transfer tools. This error indicates that the system is unable to find the necessary source system information that is required for the migration process. Causes: Missing Source System Configuration: The source system may not be properly configured in the target system. This could happen if the source system was not defined or registered correctly. Incorrect Migration Settings: The migration settings may not be correctly set up, leading to the system being unable to identify the source system. Authorization Issues: The user executing the migration may not have the necessary authorizations to access the source system information. Data Mapping Issues: There may be issues with the data mapping or transformation rules that prevent the system from recognizing the source data. Solutions: Check
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