How To Fix SPRX018 - Error when reading XML document (document contains syntactic errors)

SAP Error Message - Details

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 018

• Message text: Error when reading XML document (document contains syntactic errors)

INCLUDE SPRX_GET_WSDL OBJECT DOKU ID TX

What causes this issue?

WSDL document contains syntactical errors, because:
The document is empty
It is a text and not an XML document
It is an XML document, but not a WSDL document
It is an HTML document (for example, an error message)
The XML preamble is missing ( <?xml version="1.0"?> )
For an open tag <xyz> the close tag </xyz> is missing
...

System Response

Proxy generation terminated.

How to fix this error?

There are different explanations as to why no correct document exists:
A "Page Not Found" HTML page was returned instead of a document (the URL
is probably not correct).
A connection to the external server could not be established.
...
If applicable, check the HTTP destination used or the URL in Internet
Explorer.

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

If the source of the WSDL document is the Enterprise Services
Repository:
A "Page Not Found" HTML page was returned instead of a document (the
Enterprise Services Builder address is probably not correct)
The Enterprise Services Builder server is not running at present
The object specified for which a document should be read, does not exist
in the Enterprise Services Builder
The Enterprise Services Builder service that processes the document was
subject to an internal error
Check the connection to the Enterprise Services Repository by using the
following <DS:TX.SPRX_IFR_CONNECTION>checklist</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SPRX018 - Error when reading XML document (document contains syntactic errors) ?

  The SAP error message SPRX018 indicates that there is an issue with reading an XML document due to syntactic errors in the XML structure. This error typically arises when the XML document does not conform to the expected format or contains invalid characters, missing tags, or other structural issues.
  Causes of SPRX018 Error
  
  Malformed XML Structure: The XML document may have missing closing tags, improperly nested elements, or other structural issues.
  Invalid Characters: The document may contain characters that are not allowed in XML, such as control characters or unescaped special characters (e.g., <, >, &).
  Encoding Issues: The XML file may not be properly encoded (e.g., UTF-8) or may have a BOM (Byte Order Mark) that is not handled correctly.
  Schema Violations: The XML may not conform to the expected schema or DTD (Document Type Definition) that the SAP system is expecting.
  Whitespace Issues: Excessive or misplaced whitespace can sometimes lead to parsing errors.
  
  Solutions to SPRX018 Error
  
  Validate the XML: Use an XML validator tool to check the XML document for syntax errors. This will help identify specific issues in the document.
  Correct Malformed Structure: Ensure that all tags are properly opened and closed, and that the nesting of elements is correct.
  Escape Special Characters: Make sure that any special characters in the XML content are properly escaped. For example, use &amp; for &, &lt; for <, and &gt; for >.
  Check Encoding: Ensure that the XML file is saved with the correct encoding (preferably UTF-8) and does not contain a BOM.
  Review Schema Compliance: If applicable, ensure that the XML document adheres to the required schema or DTD.
  Remove Unnecessary Whitespace: Clean up any unnecessary whitespace that may be causing issues.
  
  Related Information
  
  XML Validation Tools: There are many online tools and software available for validating XML documents, such as XMLLint, XML Validator, and various IDEs that support XML validation.
  SAP Documentation: Refer to SAP's official documentation for specific guidelines on XML formats and structures expected by the system.
  Debugging: If you have access to the SAP system logs, check for additional error messages or logs that may provide more context about the error.
  Testing: After making corrections, test the XML document again in the SAP system to ensure that the error has been resolved.
  
  By following these steps, you should be able to identify and resolve the issues causing the SPRX018 error in your SAP system.