How To Fix WB2B564 - Reference number for reference item &1 (&2) missing, check interface data

WB2B564 - Overview

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 564

• Message text: Reference number for reference item &1 (&2) missing, check interface data

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B564 - Reference number for reference item &1 (&2) missing, check interface data ?

  The SAP error message WB2B564 indicates that there is a missing reference number for a reference item in the context of a business transaction, typically related to the SAP Business-to-Business (B2B) integration processes. This error often arises when there is an issue with the data being sent or received through the interface, particularly in scenarios involving EDI (Electronic Data Interchange) or other integration methods.
  
  Cause:
  
  Missing Data: The reference number for the specified reference item is not provided in the interface data. This could be due to a configuration issue or a data entry error.
  Incorrect Mapping: The mapping between the source system and SAP may not be correctly set up, leading to missing fields in the data being transmitted.
  Data Format Issues: The data format being sent may not comply with the expected format in SAP, causing the system to not recognize the reference number.
  Interface Errors: There may be issues with the middleware