How To Fix WZ394 - XML tag <&1> does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 394

• Message text: XML tag <&1> does not exist

What causes this issue?

The tag <&MSGV1&> was expected in the XML document received. But the
XML document does not contain this tag at the correct position.

System Response

The XML processing is aborted with an error.

How to fix this error?

Check that the structure of the XML document is correct. In particular,
check whether the tag <&MSGV1&> is at the correct position.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WZ394 - XML tag <&1> does not exist ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WZ394 XML tag <&1> does not exist
  
  Cause:
  This error occurs during XML processing in SAP when the system tries to reference or process an XML tag that is not defined or does not exist in the expected XML structure or schema. The placeholder <&1> is replaced by the actual tag name that the system could not find.
  Common scenarios include:  
  
  The XML data being processed is missing expected tags.  
  The XML schema or structure expected by the SAP program or function module does not match the actual XML input.  
  Custom or third-party XML files that do not conform to the expected format.  
  Issues in XML parsing or generation where tags are incorrectly named or omitted.
  
  
  Solution:
  
  
  Check the XML Input:  
  
  Verify the XML file or data being processed. Ensure that the tag mentioned in the error message actually exists in the XML.  
  Validate the XML against the expected schema (XSD) if available.
  
  
  
  Review the XML Schema or Structure:  
  
  Confirm that the SAP program or interface expects the correct XML structure.  
  If you are using a custom XML schema, ensure it is correctly defined and consistent with the SAP interface.
  
  
  
  Correct the XML Data:  
  
  If the XML is generated externally, fix the generation logic to include the missing tag.  
  If the XML is generated within SAP, check the relevant function modules or classes that create the XML and correct the tag names.
  
  
  
  Debugging:  
  
  Use transaction SLG1 to check application logs for more details.  
  Use debugging tools to trace where the XML is processed and identify why the tag is missing.
  
  
  
  SAP Notes and Support:  
  
  Search for SAP Notes related to the specific interface or module you are working with.  
  If the problem persists, consider raising a support ticket with SAP, providing the XML sample and error details.
  
  
  
  
  Related Information:
  
  This error is commonly seen in scenarios involving XML interfaces such as IDocs with XML payloads, PI/PO integrations, or web services.  
  The error message class WZ is related to XML processing in SAP.  
  Ensure that the XML namespace and tag names are consistent and correctly used.  
  Sometimes, this error can be caused by incorrect or missing configuration in the XML parser or adapter settings.
  
  
  If you provide the exact tag name or the context (e.g., which module or interface you are working with), I can help you with more specific guidance.