How To Fix SRT_WSP037 - Type '&1' of XML string is not type of DT variant

SRT_WSP037 - Overview

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 037

• Message text: Type '&1' of XML string is not type of DT variant

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP037 - Type '&1' of XML string is not type of DT variant ?

  The SAP error message SRT_WSP037 indicates that there is a mismatch in the expected data type of an XML string being processed in a web service scenario. Specifically, it suggests that the type of the XML string does not match the expected data type, which is a DT (Data Type) variant.
  
  Cause:
  
  Data Type Mismatch: The XML string being sent or received does not conform to the expected data type defined in the web service interface. This can happen if the XML structure or the data types of the elements do not match what is defined in the WSDL (Web Services Description Language).
  Incorrect Mapping: If there is a mapping issue between the XML data and the expected data types in the SAP system, this error can occur.
  Invalid XML Structure: The XML might be malformed or not structured correctly, leading to parsing issues.
  Versioning Issues: If there are changes in the web service interface