Pavlovia sync error

OS: Windows 10
PsychoPy version: 3.6
What are you trying to achieve?: Tried to fork an existing project from Pavlovia, tried to log in to sync, the following error occurred:

Traceback (most recent call last):
File “C:\Program Files\PsychoPy3\lib\site-packages\psychopy\app\pavlovia_ui\”, line 349, in onSyncButton
fork = self.project.forkTo() # logged-in user
File “C:\Program Files\PsychoPy3\lib\site-packages\psychopy\projects\”, line 887, in forkTo
fork = self.pavlovia.forks.create(newProjInfo)
File “C:\Program Files\PsychoPy3\lib\site-packages\gitlab\”, line 242, in wrapped_f
return f(*args, **kwargs)
File “C:\Program Files\PsychoPy3\lib\site-packages\gitlab\”, line 204, in create
File “C:\Program Files\PsychoPy3\lib\site-packages\”, line 589, in http_post
post_data=post_data, files=files, **kwargs)
File “C:\Program Files\PsychoPy3\lib\site-packages\”, line 491, in http_request
gitlab.exceptions.GitlabAuthenticationError: 401: 401 Unauthorized