How To Fix EHPRC_CPM_TASK257 - Invalid XML response

SAP Error Message - Details

• Message type: E = Error

• Message class: EHPRC_CPM_TASK - Messages for Tracker

• Message number: 257

• Message text: Invalid XML response

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 EHPRC_CPM_TASK257 - Invalid XML response ?

  The SAP error message EHPRC_CPM_TASK257: Invalid XML response typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is an issue with the XML data being processed. This error indicates that the system received an XML response that does not conform to the expected format or structure.
  Causes:
  
  Malformed XML: The XML response received from a web service or external system may be incorrectly formatted, missing required tags, or contain invalid characters.
  Schema Mismatch: The XML response may not adhere to the expected XML schema (XSD) defined in the SAP system.
  Network Issues: Intermittent network issues could lead to incomplete or corrupted XML responses.
  Configuration Errors: Incorrect configuration in the integration scenario, such as incorrect endpoint URLs or message mappings, can lead to invalid responses.
  Service Unavailability: The external service providing the XML response may be down or experiencing issues.
  
  Solutions:
  
  Validate XML: Use an XML validator tool to check the structure and format of the XML response. Ensure it adheres to the expected schema.
  Check Logs: Review the application logs in SAP PI/PO for more detailed error messages that can provide insights into what went wrong.
  Test External Service: Manually test the external service (e.g., using Postman or a similar tool) to see if it returns a valid XML response.
  Review Configuration: Double-check the configuration settings in SAP PI/PO, including the sender and receiver agreements, message mappings, and communication channels.
  Error Handling: Implement error handling in your integration flow to manage unexpected responses gracefully.
  Contact Support: If the issue persists, consider reaching out to SAP support or the external service provider for assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review the SAP documentation for the specific version of PI/PO you are using to understand the expected XML formats and schemas.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the EHPRC_CPM_TASK257 error and implement a suitable solution.