Message type: E = Error
Message class:  CNV_40305 - Asset transfer postings due to a change of account determ. 
Message number: 072
Message text: Posting key &1
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The SAP error message CNV_40305072 with the posting key &1 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a problem with the posting key being used in the financial document or transaction.
Cause: Invalid Posting Key: The posting key specified may not be valid for the type of transaction being processed. Posting keys are used in SAP to determine the type of transaction (e.g., debit or credit) and the account type (e.g., customer, vendor, asset).
Configuration Issues: The posting key may not be properly configured in the system, or it may not be assigned to the relevant account types. Data Migration Issues: If this error occurs during a data migration process, it may be due to incorrect mapping of fields or data inconsistencies in the source data. Authorization Issues: The user executing the transaction may
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