How To Fix HRPAYCH_QST21002 - The calculation step requires the active subapplication 'QST3'.

SAP Error Message - Details

• Message type: E = Error

• Message class: HRPAYCH_QST21 - Messages for Withholding Tax

• Message number: 002

• Message text: The calculation step requires the active subapplication 'QST3'.

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 HRPAYCH_QST21002 - The calculation step requires the active subapplication 'QST3'. ?

  The SAP error message HRPAYCH_QST21002 indicates that a specific calculation step in the payroll process requires the active subapplication 'QST3'. This error typically arises in the context of payroll processing when the system is unable to find the necessary configuration or data related to the specified subapplication.
  
  Cause:
  
  Inactive Subapplication: The subapplication 'QST3' may not be activated in the system. This can happen if the configuration for the payroll area or the specific payroll process has not been set up correctly.
  Missing Configuration: There may be missing or incomplete configuration settings related to the payroll schema or the specific calculation step that references 'QST3'.
  Incorrect Payroll Schema: The payroll schema being used may not include the necessary steps or may not be correctly linked to the subapplication.
  
  
  Solution:
  
  
  Activate Subapplication:
  
  Go to the configuration settings in SAP (Transaction code: SPRO).
  Navigate to the relevant payroll area and ensure that the subapplication 'QST3' is activated.
  Check the settings under Personnel