Message type: E = Error
Message class:  CNV_40305 - Asset transfer postings due to a change of account determ. 
Message number: 027
Message text: Value of &1 changed for key &2
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
For key  &V2& value of field &V1& changed from &V3& to &V4& after the
mapping phase. This might have impact on the conversion.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_40305027 typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of a conversion program. This error indicates that the value of a specific field (denoted by &1) has changed for a particular key (denoted by &2). This can happen for various reasons, such as data inconsistencies, incorrect mapping, or issues with the source data. Causes: Data Inconsistency: The value for the specified key in the source data does not match the expected value in the target system. Mapping Issues: There may be a problem with how the data is being mapped from the source to the target system. Duplicate Keys: If there are duplicate entries for the same key in the source data, it can lead to conflicts during the migration process. Data Transformation Errors: Errors in the transformation logic that alters the data during migration can lead to unexpected changes
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