Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 345
Message text: Sender parameter on relevance identifier (RELV_ID) level is initial
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The SAP error message CNV_PE345 indicates that the sender parameter on the relevance identifier (RELV_ID) level is initial. This error typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data transfer, such as the SAP S/4HANA Migration Cockpit or other data migration solutions.
Cause: The error is caused by the absence of a required sender parameter for a specific relevance identifier. This means that the system expects a value for the sender parameter, but it has not been provided or is set to an initial (empty) state. This can happen due to:
Configuration Issues: The sender parameters may not have been properly configured in the migration settings. Data Mapping Errors: There may be issues in the mapping of source data to the target structure, leading to missing values. Incomplete Data: The source data may not contain the necessary information for the sender parameter.
Solution: To resolve the CNV_PE345 error,
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