Message type: E = Error
Message class:  VTX - Messages from tracking notification processing 
Message number: 839
Message text: Manually created IDOC for inbound tracking history
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The SAP error message VTX839 typically relates to issues with the processing of IDocs (Intermediate Documents) in the context of inbound tracking history. This error can occur when there are problems with the IDoc structure, data, or processing logic.
Cause: IDoc Structure Issues: The IDoc may not conform to the expected structure or format. This can happen if the IDoc is manually created and does not include all required segments or fields. Data Validation Errors: The data within the IDoc may not meet the validation criteria set by the receiving system. This could include incorrect data types, missing mandatory fields, or invalid values. Mapping Issues: If there are issues with the mapping of the IDoc fields to the target system fields, it can lead to processing errors. Configuration Problems: Incorrect configuration in the SAP system for IDoc processing or inbound processing can also lead to this error.
Solution: Check IDoc Structure: Verify that the IDoc structure matches
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