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

SAP Error Message - Details

• 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.

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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 or interface that is responsible for transferring data between systems.
  
  Solution:
  
  Check Interface Data: Review the data being sent to SAP to ensure that all required fields, including the reference number for the reference item, are populated correctly.
  Verify Mapping Configuration: Ensure that the mapping between the source system and SAP is correctly configured to include all necessary fields.
  Data Validation: Implement validation checks in the source system to ensure that all required data is present before it is sent to SAP.
  Consult Documentation: Refer to the relevant SAP documentation or integration guidelines to ensure compliance with the expected data structure.
  Error Logs: Check the error logs in both the source system and SAP to identify any additional details that may help in diagnosing the issue.
  Testing: Conduct tests with sample data to ensure that the integration works as expected and that all required fields are being transmitted correctly.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to B2B integration, such as WE02 (IDoc display) or WE19 (IDoc test tool), to analyze the IDocs and their statuses.
  Integration Tools: If using middleware (like SAP PI/PO or third-party tools), ensure that the configurations are correct and that the data is being transformed properly.
  
  By following these steps, you should be able to identify the root cause of the WB2B564 error and implement a solution to resolve it.