How To Fix IWB_MPS013 - Only XML texts can be compared with each other

SAP Error Message - Details

• Message type: E = Error

• Message class: IWB_MPS - Messages for Multi-Product Support

• Message number: 013

• Message text: Only XML texts can be compared with each other

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IWB_MPS013 - Only XML texts can be compared with each other ?

  The SAP error message IWB_MPS013: "Only XML texts can be compared with each other" typically occurs in the context of SAP Gateway or OData services when there is an issue with the data format being processed. This error indicates that the system is attempting to compare or process data that is not in the expected XML format.
  Cause:
  
  Data Format Mismatch: The error usually arises when the system expects XML data but receives data in a different format (e.g., JSON or plain text).
  Incorrect Service Configuration: The OData service may not be correctly configured to handle the expected XML format.
  Malformed XML: If the XML data being processed is malformed or does not conform to the expected schema, it can lead to this error.
  Incompatible Data Types: The comparison operation may be trying to compare incompatible data types, which can happen if the data is not properly serialized.
  
  Solution:
  
  Check Data Format: Ensure that the data being sent to the OData service is in the correct XML format. If you are using a client to send requests, verify that it is configured to send XML.
  Service Configuration: Review the configuration of the OData service in SAP Gateway. Ensure that it is set up to handle XML requests properly.
  Validate XML: If you are working with XML data, validate it against the expected schema to ensure it is well-formed and adheres to the required structure.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for detailed error logs that can provide more context about the issue.
  Check Data Types: Ensure that the data types being compared are compatible. If necessary, adjust the data types in your service implementation.
  Update Service: If you have made changes to the service or the underlying data model, ensure that the service is reactivated and any caches are cleared.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  OData Documentation: Review the OData documentation for guidelines on data formats and service configuration.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.