Problem
The template is still showing in the list even though you confirmed Stop planning.
Possible cause
The list is automatically refreshed after deletion, but a slow internet connection may delay the update. A red error notification may mean the deletion failed and the template was not actually removed.
Solution
Wait a moment and see if the list updates itself.
Reload the page manually.
Check whether a red error notification is shown — if so, the deletion failed and you can try again.
If the problem persists, contact support and include details about:
The template name.
Whether an error notification is shown.
When the issue occurred.