Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 303
Message text: &1 &2 uses single determination; no shortcuts can be created
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The SAP error message CNV_10020303 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system has encountered a situation where a single determination is being used, and as a result, no shortcuts can be created for the data migration process.
Cause: The error is generally caused by one of the following reasons: Data Structure Issues: The data being migrated may not conform to the expected structure or format, leading to a single determination scenario. Configuration Settings: The settings in the migration cockpit or the data migration tool may not be configured correctly, preventing the creation of shortcuts. Mapping Problems: There may be issues with the mapping of source data to target data, which can lead to the inability to create shortcuts. Business Logic Constraints: Certain business rules or logic may dictate that only a single determination can be made for the
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