Internal server error: __cf

[mohammadsaghebi]

Internal Error Stacktrace:

Error Message: name '__cf' is not defined

Traceback (most recent call last):
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/flask/app.py", line 880, in full_dispatch_request
    rv = self.dispatch_request()
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/flask/app.py", line 865, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/flask_admin/base.py", line 69, in inner
    return self._run_view(f, *args, **kwargs)
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/flask_admin/base.py", line 369, in _run_view
    return fn(self, *args, **kwargs)
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/flask_admin/model/base.py", line 2235, in delete_view
    if self.delete_model(model):
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/flask_admin/contrib/sqla/view.py", line 1216, in delete_model
    if not self.handle_view_exception(ex):
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/flask_admin/contrib/sqla/view.py", line 1133, in handle_view_exception
    return super(ModelView, self).handle_view_exception(exc)
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/flask_admin/contrib/sqla/view.py", line 1211, in delete_model
    self.on_model_delete(model)
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/hiddifypanel/panel/admin/DomainAdmin.py", line 323, in on_model_delete
    if not hutils.network.cf_api.delete_dns_record(model.domain):
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/hiddifypanel/hutils/network/cf_api.py", line 49, in delete_dns_record
    if not __prepare_cf_api_client():
  File "/opt/hiddify-manager/.venv/lib/python3.10/site-packages/hiddifypanel/hutils/network/cf_api.py", line 10, in __prepare_cf_api_client
    if __cf and isinstance(__cf, cloudflare.Cloudflare):

Details:

Hiddify Version: 10.80.1
Python Version: 3.10.15 (main, Sep 7 2024, 18:35:38) [GCC 13.2.0]
OS: Linux-6.8.0-48-generic-x86_64-with-glibc2.39
User Agent: Unknown

[litoosh13]

1.Make a backup
2. rebuild server to ubuntu 22.04
3. install latest version of the panel
4.restore backup
you can follow all learning's material about the panel here:
hiddify.com/manager