Message type: E = Error
Message class:  CNV_20800 - Message class for CNV_20800 
Message number: 218
Message text: There is no duplicate entry
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The SAP error message CNV_20800218: There is no duplicate entry typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of specific conversion programs. This error indicates that the system is trying to find a duplicate entry in a dataset, but it cannot locate one, which may lead to issues in the data processing workflow. Causes: Missing Data: The entry that the system is trying to find may not exist in the source data or the target system. Incorrect Mapping: There may be an issue with how the data is mapped from the source to the target, leading to the system not being able to find the expected duplicates. Data Integrity Issues: The data being processed may have integrity issues, such as missing keys or incorrect relationships between records.
Configuration Issues: The configuration settings for the data migration process may not be set up correctly, leading
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