Only Admins and approvers can delete a validated leave request.
To do so, they have to:
1. Go to Activities Module > Requests > Requests to process > Leaves.
2. If you are an Admin, check the box "Include all requests"
You can activate the checkbox in the Configuration > User Account > Manage user groups; click on the "View" button of the Admin user and then on the "Modify" button, and tick the checkbox Workflow Admin.
3. Select the request and click on the "Cancel requests" button at the bottom of the page
4. Click on the "View" icon to display the request
5. A pop up wil open: click on the "Delete" button to delete the request
