How To Fix KTD_EXCEPTION004 - DTD must not be contained in XML document

SAP Error Message - Details

• Message type: E = Error

• Message class: KTD_EXCEPTION - KTD Exception Messages

• Message number: 004

• Message text: DTD must not be contained in XML document

Self-Explanatory Message

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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 KTD_EXCEPTION004 - DTD must not be contained in XML document ?

  The SAP error message KTD_EXCEPTION004 with the description "DTD must not be contained in XML document" typically occurs when there is an issue with the XML document being processed in SAP. This error indicates that the XML document includes a Document Type Definition (DTD), which is not allowed in certain contexts, particularly when dealing with XML processing in SAP.
  Cause:
  
  Presence of DTD: The XML document being processed contains a DTD declaration. DTDs are used to define the structure and the legal elements and attributes of an XML document. However, in some SAP contexts, especially when using certain XML parsers or when adhering to specific standards, DTDs are not permitted.
  Incorrect XML Formatting: The XML document may not be well-formed or may contain syntax errors that lead to the parser interpreting it incorrectly.
  Configuration Issues: There may be configuration settings in the SAP system that restrict the use of DTDs in XML documents.
  
  Solution:
  
  
  Remove DTD Declaration: Edit the XML document to remove any DTD declarations. This can usually be found at the top of the XML file, looking something like <!DOCTYPE ...>. Ensure that the XML is still valid after removing the DTD.
  Example:
  <!-- Remove this line -->
  <!DOCTYPE example SYSTEM "example.dtd">
  
  
  Validate XML Structure: Use an XML validator to ensure that the XML document is well-formed and adheres to the expected schema (if applicable). This can help identify any other issues that may be causing the error.
  
  
  Check SAP Configuration: Review the configuration settings in your SAP system related to XML processing. Ensure that there are no restrictions that would prevent the processing of XML documents with DTDs.
  
  
  Consult Documentation: Refer to SAP documentation or support resources for any specific guidelines related to XML processing in your version of SAP. There may be additional settings or best practices to follow.
  
  
  Testing: After making the necessary changes, test the XML document again in the SAP system to ensure that the error is resolved.
  
  
  Related Information:
  
  XML Standards: Familiarize yourself with XML standards and best practices, especially regarding DTDs and schemas.
  SAP Notes: Check SAP Notes and Knowledge Base Articles for any known issues or patches related to XML processing in your specific SAP version.
  Error Logs: Review SAP error logs for additional context or related errors that may provide further insight into the issue.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance, providing them with the XML document and any relevant error logs.