If the payrun is in pending status, navigate to Process pay > Payrun progress > select the month/year
Kindly wait for the data to load, and do not click 'show payroll listing report' as it will show a separate report, which does not allow you to delete the payruns.
Click on .
Tick the users you want to reject and click on the "reject" button.
If it has been approved, Go to Process pay --> payrun progress --> select the month/year
Click on. Click on the "delete" button.