Message type: E = Error
Message class:  /PF1/MSG_PO_E -  
Message number: 805
Message text: Reference ID is missing
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The SAP error message /PF1/MSG_PO_E805 Reference ID is missing typically occurs in the context of Purchase Order (PO) processing. This error indicates that a required reference ID, which is necessary for the processing of the purchase order, is missing. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: Missing Reference ID: The most direct cause of this error is that the system expects a reference ID (such as a vendor reference, contract number, or another identifier) to be present in the purchase order, but it is not provided.
Configuration Issues: There may be configuration settings in the SAP system that require certain fields to be filled out, and if these are not adhered to, the error can occur. Data Entry Errors: Human error during data entry can lead to missing information in the purchase order. Custom Development: If there are custom enhancements or developments in the SAP system, they might be enforcing
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