Message type: E = Error
Message class:  CNV20345 - Message class 20345 
Message number: 008
Message text: CNVFIELDS: Entry for &1 - &2 with routine &3 was inserted
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The SAP error message CNV20345008 is related to the SAP Conversion Tools, specifically in the context of data migration or data conversion processes. This error indicates that an entry for a specific field (denoted by &1 and &2) was inserted using a routine (denoted by &3).
Cause: The error typically arises during data migration or conversion processes when the system attempts to insert a record into a target table, but there is an issue with the data being processed. This could be due to: Data Integrity Issues: The data being migrated may not meet the integrity constraints of the target table. Missing or Incorrect Mapping: The mapping between source and target fields may not be correctly defined, leading to unexpected entries. Routine Logic Errors: The routine used for data transformation may have logic errors or may not handle certain cases properly. Duplicate Entries: The system may be trying to insert a duplicate entry that violates
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