ERROR: An error was detected in the configuration file. Please solve it before proceeding
Traceback (most recent call last):
File "class/flask_sockets.py", line 30, in call
handler, values = adapter.match()
File "/www/server/panel/pyenv/lib/python3.7/site-packages/werkzeug/routing.py", line 1945, in match
raise NotFound()
werkzeug.exceptions.NotFound: 404 Not Found: The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "class/public.py", line 572, in ExecShell
sub = subprocess.Popen(cmdstring, close_fds=True, shell=shell,bufsize=128,stdout=succ_f,stderr=err_f,cwd=cwd,env=env,preexec_fn=preexec_fn)
File "/www/server/panel/pyenv/lib/python3.7/site-packages/gevent/subprocess.py", line 816, in init
start_new_session)
File "/www/server/panel/pyenv/lib/python3.7/site-packages/gevent/subprocess.py", line 1603, in execute_child
self.pid = fork_and_watch(self.on_child, self._loop, True, fork)
File "/www/server/panel/pyenv/lib/python3.7/site-packages/gevent/os.py", line 431, in fork_and_watch
pid = fork()
BlockingIOError: [Errno 11] Resource temporarily unavailable
When adding sites to the dashboard, it displays the following error. Can you help me with the solution?