Cannot connect to proxy

URL of experiment:

Description of the problem:when i click the “Sync with web project” botton and then sign my account in, the error came up. The problem confuse me all day,I can’t uploading my experence to the website. How should I do?

here is the error code
Traceback (most recent call last):
File “C:\Program Files\PsychoPy\lib\site-packages\urllib3\connectionpool.py”, line 696, in urlopen
self._prepare_proxy(conn)
File “C:\Program Files\PsychoPy\lib\site-packages\urllib3\connectionpool.py”, line 964, in _prepare_proxy
conn.connect()
File “C:\Program Files\PsychoPy\lib\site-packages\urllib3\connection.py”, line 364, in connect
conn = self._connect_tls_proxy(hostname, conn)
File “C:\Program Files\PsychoPy\lib\site-packages\urllib3\connection.py”, line 501, in connect_tls_proxy
socket = ssl_wrap_socket(
File "C:\Program Files\PsychoPy\lib\site-packages\urllib3\util\ssl
.py", line 453, in ssl_wrap_socket
ssl_sock = ssl_wrap_socket_impl(sock, context, tls_in_tls)
File "C:\Program Files\PsychoPy\lib\site-packages\urllib3\util\ssl
.py", line 495, in _ssl_wrap_socket_impl
return ssl_context.wrap_socket(sock)
File “C:\Program Files\PsychoPy\lib\ssl.py”, line 500, in wrap_socket
return self.sslsocket_class._create(
File “C:\Program Files\PsychoPy\lib\ssl.py”, line 1040, in _create
self.do_handshake()
File “C:\Program Files\PsychoPy\lib\ssl.py”, line 1309, in do_handshake
self._sslobj.do_handshake()
socket.timeout: _ssl.c:1114: The handshake operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File “C:\Program Files\PsychoPy\lib\site-packages\requests\adapters.py”, line 439, in send
resp = conn.urlopen(
File “C:\Program Files\PsychoPy\lib\site-packages\urllib3\connectionpool.py”, line 755, in urlopen
retries = retries.increment(
File “C:\Program Files\PsychoPy\lib\site-packages\urllib3\util\retry.py”, line 574, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host=‘gitlab.pavlovia.org’, port=443): Max retries exceeded with url: /api/v4/user (Caused by ProxyError(‘Cannot connect to proxy.’, timeout(’_ssl.c:1114: The handshake operation timed out’)))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\pavlovia_ui_base.py”, line 128, in checkForLoginURL
pavlovia.login(self.tokenInfo[‘token’])
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\projects\pavlovia.py”, line 108, in login
currentSession.setToken(token)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\projects\pavlovia.py”, line 374, in setToken
self.startSession(token)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\projects\pavlovia.py”, line 399, in startSession
self.gitlab.auth()
File “C:\Program Files\PsychoPy\lib\site-packages\gitlab\client.py”, line 257, in auth
self.user = self._objects.CurrentUserManager(self).get()
File “C:\Program Files\PsychoPy\lib\site-packages\gitlab\exceptions.py”, line 304, in wrapped_f
return f(*args, **kwargs)
File “C:\Program Files\PsychoPy\lib\site-packages\gitlab\mixins.py”, line 146, in get
server_data = self.gitlab.http_get(self.path, **kwargs)
File “C:\Program Files\PsychoPy\lib\site-packages\gitlab\client.py”, line 662, in http_get
result = self.http_request(
File “C:\Program Files\PsychoPy\lib\site-packages\gitlab\client.py”, line 594, in http_request
result = self.session.send(prepped, timeout=timeout, **settings)
File “C:\Program Files\PsychoPy\lib\site-packages\requests\sessions.py”, line 655, in send
r = adapter.send(request, **kwargs)
File “C:\Program Files\PsychoPy\lib\site-packages\requests\adapters.py”, line 510, in send
raise ProxyError(e, request=request)
requests.exceptions.ProxyError: HTTPSConnectionPool(host=‘gitlab.pavlovia.org’, port=443): Max retries exceeded with url: /api/v4/user (Caused by ProxyError(‘Cannot connect to proxy.’, timeout(’_ssl.c:1114: The handshake operation timed out’)))

In this case, you might be using a VPN

Thanks,i will try