How To Fix SOAP_RFM_POSI511 - ExternalReferenceDocumentID is not unique in payload.

SAP Error Message - Details

• Message type: E = Error

• Message class: SOAP_RFM_POSI - SOAP Services for Retail POS Inbound Messages

• Message number: 511

• Message text: ExternalReferenceDocumentID is not unique in payload.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SOAP_RFM_POSI511 - ExternalReferenceDocumentID is not unique in payload. ?

  The SAP error message "SOAP_RFM_POSI511 ExternalReferenceDocumentID is not unique in payload" typically occurs in the context of SAP applications that utilize SOAP web services for data exchange. This error indicates that the ExternalReferenceDocumentID field, which is expected to be unique within the payload of the SOAP message, contains duplicate values.
  
  Cause:
  
  
  Duplicate IDs: The most common cause of this error is that the payload being sent to the SAP system contains multiple entries with the same ExternalReferenceDocumentID. This could happen due to:
  
  Incorrect data preparation or transformation before sending the SOAP request.
  A programming error in the application generating the SOAP message.
  Data duplication in the source system.
  
  
  
  Incorrect Mapping: If the mapping of data from the source system to the SOAP payload is not done correctly, it may lead to duplicates.
  
  
  Concurrency Issues: If multiple processes are trying to send the same ExternalReferenceDocumentID simultaneously, it may lead to this error.
  
  
  
  Solution:
  
  
  Check Payload for Duplicates: Review the SOAP