How To Fix WB2B2122 - Item number is missing in the external structure &1. Shadow item &2|&3

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B2 - Trading Contract (part 2)

• Message number: 122

• Message text: Item number is missing in the external structure &1. Shadow item &2|&3

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 WB2B2122 - Item number is missing in the external structure &1. Shadow item &2|&3 ?

  The SAP error message WB2B2122 indicates that there is a missing item number in the external structure for a specific transaction or process. This error typically occurs in the context of SAP's integration with external systems, such as EDI (Electronic Data Interchange) or other data exchange processes.
  Cause:
  The error message WB2B2122 is triggered when the system expects an item number in the external data structure, but it is not found. This can happen due to several reasons, including:
  
  Data Mapping Issues: The external system may not be correctly mapping the item numbers to the expected fields in SAP.
  Incomplete Data: The data being sent from the external system may be incomplete or incorrectly formatted, leading to missing item numbers.
  Configuration Errors: There may be configuration issues in the SAP system or the external system that prevent the correct transmission of item numbers.
  Shadow Item Issues: The error message references a "shadow item," which may indicate that the item is not properly defined or recognized in the system.
  
  Solution:
  To resolve the WB2B2122 error, you can take the following steps:
  
  Check External Data: Review the data being sent from the external system to ensure that all required fields, including item numbers, are populated correctly.
  Verify Mapping: Ensure that the mapping between the external system and SAP is correctly configured. This includes checking that item numbers are being sent to the correct fields in SAP.
  Review Configuration: Check the configuration settings in both SAP and the external system to ensure they are set up to handle the data exchange correctly.
  Debugging: If possible, enable debugging or logging in the integration process to capture more detailed information about the data being transmitted and where the failure occurs.
  Consult Documentation: Refer to SAP documentation or the specific integration documentation for guidance on the expected data structure and any known issues related to item numbers.
  Contact Support: If the issue persists, consider reaching out to SAP support or your technical team for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to check transaction codes related to EDI or IDoc processing, such as WE02 (Display IDoc) or WE19 (Test Tool for IDocs).
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Integration Tools: If you are using middleware or integration tools (like SAP PI/PO or SAP CPI), check their logs and configurations as well.
  
  By following these steps, you should be able to identify the root cause of the WB2B2122 error and implement a solution to resolve it.