How To Fix SWF_EXP_001600 - Invalid data type &1 for the result of the XPath expression &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 600

• Message text: Invalid data type &1 for the result of the XPath expression &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_EXP_001600 - Invalid data type &1 for the result of the XPath expression &2 ?

  The SAP error message SWF_EXP_001600 indicates that there is an issue with the data type returned by an XPath expression in a workflow. Specifically, it means that the result of the XPath expression is not of a valid or expected data type for the context in which it is being used.
  Cause:
  
  Invalid Data Type: The XPath expression is returning a data type that is not compatible with what the workflow expects. For example, if the workflow expects a string but the XPath returns a number or a boolean, this error will occur.
  Incorrect XPath Expression: The XPath expression itself may be incorrect or not properly defined, leading to unexpected results.
  Data Structure Changes: If the underlying data structure has changed (e.g., changes in the XML schema), the XPath may not be able to retrieve the expected data type.
  Configuration Issues: There may be configuration issues in the workflow or the data source that lead to this error.
  
  Solution:
  
  Check the XPath Expression: Review the XPath expression to ensure it is correctly defined and is expected to return the correct data type. You can test the XPath expression independently to verify its output.
  Validate Data Types: Ensure that the data type returned by the XPath expression matches the expected data type in the workflow. You may need to cast or convert the data type if necessary.
  Review Data Structure: Check if there have been any changes to the data structure or XML schema that could affect the XPath expression. Update the XPath accordingly.
  Debugging: Use debugging tools available in SAP to trace the workflow execution and identify where the error occurs. This can help pinpoint the exact issue with the XPath expression or data type.
  Consult Documentation: Refer to SAP documentation or community forums for additional insights or similar issues encountered by other users.
  
  Related Information:
  
  SAP Workflow: Understanding how SAP workflows operate and how they utilize XPath expressions can help in troubleshooting.
  XPath Basics: Familiarity with XPath syntax and functions can aid in crafting correct expressions.
  Data Types in SAP: Knowledge of the various data types used in SAP and their compatibility can help in resolving type-related issues.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.