How To Fix GP851 - Activity &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 851

• Message text: Activity &1 is unknown

What causes this issue?

Activity &V1& is unknown.

System Response

The system terminated processing.

How to fix this error?

Check the content of table T_Vrgng when function module
K_Tables_For_Activity_Get is called.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GP851 - Activity &1 is unknown ?

  The SAP error message GP851, which states "Activity &1 is unknown," typically occurs in the context of SAP's Human Capital Management (HCM) module, particularly when dealing with the Global Payroll functionality. This error indicates that the system is unable to recognize or find the specified activity (denoted by &1) in the payroll processing.
  Causes:
  
  Incorrect Activity Code: The activity code referenced in the payroll process may be incorrect or not defined in the system.
  Configuration Issues: The payroll configuration may not be set up correctly, leading to the system not recognizing certain activities.
  Missing Customization: If the activity is a custom one, it may not have been properly defined or activated in the system.
  Transport Issues: If the system has recently undergone a transport of changes, the activity may not have been included or activated in the target system.
  Version Mismatch: There may be a mismatch between the version of the payroll schema and the activities defined in it.
  
  Solutions:
  
  Check Activity Code: Verify that the activity code referenced in the error message is correct. Ensure that it is spelled correctly and exists in the system.
  Review Configuration: Go to the configuration settings in the SAP system (transaction code SPRO) and check the payroll settings to ensure that all necessary activities are defined and configured correctly.
  Define Missing Activities: If the activity is custom, ensure that it has been defined in the system. You may need to create or activate it in the relevant payroll schema.
  Transport Management: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly. You may need to re-transport or activate the missing components.
  Consult Documentation: Review SAP documentation or notes related to the specific payroll schema you are using to ensure that all required activities are included.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered and gather more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the GP851 error. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SPRO: For configuration settings.
  SE80: For checking the development objects.
  PE01: For maintaining payroll schemas.
  
  
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.