How To Fix SWF_HTTP063 - Error when converting parameter "&1" to XML format

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_HTTP - Web Services in the Workflow: Server Functions

• Message number: 063

• Message text: Error when converting parameter "&1" to XML format

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_HTTP063 - Error when converting parameter "&1" to XML format ?

  The SAP error message SWF_HTTP063 indicates that there is an issue with converting a parameter to XML format in the context of SAP Workflow or related HTTP services. This error typically arises when the system encounters a problem with the data being processed, which may not be in the expected format or may contain invalid characters.
  Causes:
  
  Invalid Data Format: The parameter being converted may contain characters that are not valid in XML, such as control characters or special characters that need to be escaped.
  Null or Empty Values: If the parameter is null or empty, the conversion process may fail.
  Data Type Mismatch: The data type of the parameter may not match the expected type, leading to conversion issues.
  Configuration Issues: There may be issues with the configuration of the workflow or the HTTP service that is causing the conversion to fail.
  
  Solutions:
  
  Check Parameter Values: Review the values being passed to the parameter. Ensure that they do not contain invalid characters and are in the correct format.
  Escape Special Characters: If the parameter contains special characters (like <, >, &, etc.), ensure they are properly escaped for XML.
  Handle Null or Empty Values: Implement checks in your workflow or service to handle null or empty values appropriately before attempting conversion.
  Review Data Types: Ensure that the data types of the parameters match the expected types in the workflow or service configuration.
  Debugging: Use debugging tools to trace the workflow and identify the exact point of failure. This can help in pinpointing the problematic parameter.
  Consult Documentation: Refer to SAP documentation for any specific guidelines related to XML conversion in workflows or HTTP services.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Selection - Frequency) to analyze workflow instances and identify issues.
  Logs: Review application logs (SLG1) for additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.