How To Fix MPE_OAN128 - OAN header has incomplete key

MPE_OAN128 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 128

• Message text: OAN header has incomplete key

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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MPE_OAN128 - Details

• The SAP error message MPE_OAN128 indicates that there is an issue with the OAN (Order Acknowledgment Notification) header, specifically that it has an incomplete key. This error typically arises in the context of processing order acknowledgments in SAP, particularly when dealing with EDI (Electronic Data Interchange) or similar interfaces.
  
  Cause:
  The error usually occurs due to one or more of the following reasons:
  
  Missing Key Fields: The OAN header is expected to have certain key fields populated, and if any of these fields are missing or incomplete, the system will throw this error.
  Incorrect Mapping: If the data being sent to SAP is not correctly mapped to the expected fields in the OAN header, it can lead to incomplete keys.
  Data Format Issues: The data format being sent may not conform to the expected structure, leading to parsing errors.
  
  Configuration Issues: There may be configuration issues in the EDI settings or in the way the OAN