...
It’s impossible to delete a single SLA goal. You need to create at least one more goal.
...
After creating one more It’s impossible to delete a single SLA goal. However, you can delete the previous one. Press the “Delete” button to deleteneed to create at least one Goal since the system doesn’t allow users to remove all Goals.
...
If you need any help or have questions, please contact us via SaaSJet Support or email support@saasjet.atlassian.net
...