Error 400 :-(

BadRequest (400 Bad Request: Wrong data provided)

GET /admin/ui/demo/init?wf=false

Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 1513, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 1499, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/root/admin/ui.py", line 168, in page_demo_init
    raise BadRequest(f'Wrong data provided')
werkzeug.exceptions.BadRequest: 400 Bad Request: Wrong data provided