How To Fix SWY_TASK_FORM023 - Data type &1 of structure field &2 is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SWY_TASK_FORM - Form or Dynpro from Task Container

• Message number: 023

• Message text: Data type &1 of structure field &2 is not supported

What causes this issue?

Data type &V1& is not supported for creation of the form.

System Response

The form does not contain a form field for structure field &V2&.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWY_TASK_FORM023 - Data type &1 of structure field &2 is not supported ?

  The SAP error message SWY_TASK_FORM023 indicates that there is an issue with the data type of a structure field in a workflow task form. Specifically, it means that the data type being used for a particular field is not supported in the context of the workflow task form.
  Cause:
  
  Unsupported Data Type: The field in question is using a data type that is not compatible with the workflow task form. This could be due to using a complex data type, such as a table or a structure that contains unsupported elements.
  Field Definition Issues: The field may be defined incorrectly in the workflow or the underlying data structure.
  Version Compatibility: There may be compatibility issues with the version of SAP you are using, where certain data types are not supported in the workflow context.
  
  Solution:
  
  Check Data Types: Review the data types of the fields in the structure. Ensure that they are compatible with the workflow task form. Commonly supported data types include simple types like CHAR, NUMC, DATS, etc.
  Modify Structure: If the structure contains unsupported data types, consider modifying it to use supported types. This may involve creating a new structure or changing the existing one to use simpler data types.
  Update Workflow Definition: If the workflow definition is using the problematic structure, update the workflow to reference a modified version of the structure that uses supported data types.
  Testing: After making changes, test the workflow to ensure that the error is resolved and that the task form displays correctly.
  Consult Documentation: Refer to SAP documentation or notes related to workflow and task forms for any specific guidelines on supported data types.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on supported data types in workflows.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Debugging: If you have access to debugging tools, you can trace the workflow execution to identify where the unsupported data type is being referenced.
  
  By following these steps, you should be able to resolve the SWY_TASK_FORM023 error and ensure that your workflow task forms function correctly.