How To Fix SWF_HTTP112 - Conversion error when writing message part '&1'

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 112

• Message text: Conversion error when writing message part '&1'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_HTTP112 - Conversion error when writing message part '&1' ?

  The SAP error message SWF_HTTP112, which indicates a "Conversion error when writing message part '&1'," typically occurs in the context of SAP Workflow or when dealing with HTTP communication in SAP systems. This error suggests that there is an issue with converting data types or formats when the system is trying to send or process a message.
  Causes:
  
  Data Type Mismatch: The data being processed may not match the expected data type. For example, if a string is expected but a numeric value is provided, this can lead to conversion errors.
  Invalid Characters: The message part may contain characters that are not valid for the expected format, leading to conversion issues.
  Encoding Issues: There may be problems with character encoding, especially if the data is being sent or received in different formats (e.g., UTF-8 vs. ISO-8859-1).
  Configuration Issues: Incorrect configuration in the workflow or HTTP settings can lead to conversion errors.
  Data Length Exceeded: If the data being sent exceeds the maximum length allowed for a particular field, it can cause conversion errors.
  
  Solutions:
  
  Check Data Types: Ensure that the data being sent matches the expected data types. Review the workflow or HTTP service definitions to confirm the expected formats.
  Validate Input Data: Check the input data for any invalid characters or formats. Cleanse the data if necessary to ensure it adheres to the expected standards.
  Review Encoding Settings: Ensure that the character encoding settings are consistent across the systems involved in the communication. Adjust the encoding settings if necessary.
  Adjust Configuration: Review the configuration settings for the workflow or HTTP service. Make sure that all parameters are correctly set and that there are no discrepancies.
  Debugging: Use debugging tools to trace the workflow or HTTP call to identify the exact point of failure. This can provide insights into what data is causing the conversion error.
  SAP Notes: Check for any relevant SAP Notes or patches that may address known issues related to this error message.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for details on workflows and HTTP communication.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Selection - Frequency) to monitor workflows and identify problematic items.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support for further assistance.