Traceback (most recent call last): File "/home/dh_pzgvd9/venv/lib/python3.8/site-packages/flask/app.py", line 1484, in full_dispatch_request rv = self.dispatch_request() File "/home/dh_pzgvd9/venv/lib/python3.8/site-packages/flask/app.py", line 1458, in dispatch_request self.raise_routing_exception(req) File "/home/dh_pzgvd9/venv/lib/python3.8/site-packages/flask/app.py", line 1440, in raise_routing_exception raise request.routing_exception # type: ignore File "/home/dh_pzgvd9/venv/lib/python3.8/site-packages/flask/ctx.py", line 353, in match_request result = self.url_adapter.match(return_rule=True) # type: ignore File "/home/dh_pzgvd9/venv/lib/python3.8/site-packages/werkzeug/routing/map.py", line 655, in match raise NotFound() from None werkzeug.exceptions.NotFound: 404 Not Found: The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.