How To Fix SWF_EXP_001230 - Assignment not possible, data types '&1' and '&2' not compatible

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 230

• Message text: Assignment not possible, data types '&1' and '&2' not compatible

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_EXP_001230 - Assignment not possible, data types '&1' and '&2' not compatible ?

  The SAP error message SWF_EXP_001230, which states "Assignment not possible, data types '&1' and '&2' not compatible," typically occurs in the context of workflow or process management within SAP systems. This error indicates that there is an attempt to assign a value of one data type to a variable of another incompatible data type.
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the data types of the source and target variables do not match. For example, trying to assign a string to an integer variable or a structure to a simple data type.
  Workflow Configuration Issues: If the workflow is not configured correctly, it may lead to such type mismatches.
  Changes in Data Structures: If there have been recent changes to the data structures or types in the underlying business logic or database, it may lead to incompatibility.
  Incorrect Mapping: In workflows, if the mapping of data between different steps is not done correctly, it can lead to this error.
  
  Solution:
  
  Check Data Types: Review the data types of the variables involved in the assignment. Ensure that they are compatible. You can do this by checking the definitions in the workflow or the relevant ABAP code.
  Modify Workflow Logic: If the workflow logic is incorrect, modify it to ensure that the data types match. This may involve changing the variable types or using conversion functions to convert one type to another.
  Use Type Conversion: If necessary, use type conversion functions (like CONCATENATE, TO_CHAR, TO_NUMBER, etc.) to convert data types appropriately before assignment.
  Debugging: Use the debugging tools in SAP to step through the workflow and identify where the type mismatch is occurring. This can help pinpoint the exact location of the error.
  Consult Documentation: Review the SAP documentation or help resources related to workflows and data types for additional guidance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, SAP releases updates that address specific bugs or issues.
  Workflow Logs: Review the workflow logs for additional context or error messages that may provide more insight into the problem.
  ABAP Development: If you have access to ABAP development tools, you can analyze the code to identify where the type mismatch is occurring.
  Community Forums: Consider reaching out to SAP community forums or support channels for additional help, as other users may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the SWF_EXP_001230 error in your SAP system.