I can’t add a server to Pritunl; it immediately throws an error: Failed to add server, server error occurred.
LOG:
[2025-11-08 15:55:57,143][ERROR] Exception on /server [POST]
Traceback (most recent call last):
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/flask/app.py”, line 2190, in wsgi_app
response = self.full_dispatch_request()
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/flask/app.py”, line 1486, in full_dispatch_request
rv = self.handle_user_exception(e)
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/flask/app.py”, line 1484, in full_dispatch_request
rv = self.dispatch_request()
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/flask/app.py”, line 1469, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/pritunl/auth/app.py”, line 10, in _wrapped
return call(*args, **kwargs)
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/pritunl/handlers/server.py”, line 660, in server_put_post
svr = server.new_server(
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/pritunl/server/utils.py”, line 16, in new_server
server.initialize()
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/pritunl/server/server.py”, line 616, in initialize
self.generate_tls_auth_wait()
File “/usr/lib/pritunl/usr/lib/python3.9/site-packages/pritunl/server/server.py”, line 1569, in generate_tls_auth_wait
raise ValueError('Popen returned ’ +
ValueError: Popen returned error exit code 1
How to cure it?