How To Fix HRPAYFR_DSN004 - Section &1: the &2 class does not exist or is an incompatible type

SAP Error Message - Details

• Message type: E = Error

• Message class: HRPAYFR_DSN - Message class for DSN

• Message number: 004

• Message text: Section &1: the &2 class does not exist or is an incompatible type

What causes this issue?

The various classes responsible for redeploying section data are shown
in the T5FDSNSECTN table.
The &V2& class for the &V1& section, however, could not be generated, as
it does not exist or is of an incompatible type.

System Response

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

How to fix this error?

Check the content of the T5FDSNSECTN table for the section, and replace
the aforementioned class with a valid class (existing class of a
compatible type).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HRPAYFR_DSN004 - Section &1: the &2 class does not exist or is an incompatible type ?

  The SAP error message HRPAYFR_DSN004 typically indicates that there is an issue with a specific class in the payroll processing system, particularly in the context of the French payroll (as suggested by the "FR" in the error code). The error message states that a certain section (denoted by &1) is referencing a class (denoted by &2) that either does not exist or is of an incompatible type.
  Cause:
  
  Missing Class: The specified class does not exist in the system. This could be due to a configuration error or a missing transport.
  Incompatible Type: The class exists, but it is not of the expected type. This could happen if there was a change in the data structure or if the class was modified incorrectly.
  Custom Development: If there are custom developments or enhancements in the payroll processing, they may not be aligned with the standard SAP classes.
  Transport Issues: If the system has recently undergone a transport of changes, it is possible that the class was not included or was incorrectly transported.
  
  Solution:
  
  Check Class Existence: Verify that the class referenced in the error message exists in the system. You can do this by using transaction SE11 (Data Dictionary) or SE80 (Object Navigator).
  Check Class Type: Ensure that the class is of the correct type and structure. Compare it with the expected structure in the SAP documentation or with a working system.
  Review Custom Code: If there are custom developments, review the code to ensure that it is correctly referencing the class and that there are no discrepancies.
  Transport Management: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included and correctly imported.
  SAP Notes: Search for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Consult Documentation: Review the documentation for the payroll module to ensure that all configurations are set up correctly.
  
  Related Information:
  
  Transaction Codes: Use SE11 for Data Dictionary, SE80 for Object Navigator, and SE37 for function modules to investigate further.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it involves standard SAP classes.
  Testing: After making changes, ensure to test the payroll process thoroughly to confirm that the issue is resolved and that no new issues have been introduced.
  
  By following these steps, you should be able to identify the root cause of the HRPAYFR_DSN004 error and implement a solution.