After upgrading to version 4.10.1 this error is occurring originally installed from the apt repository on Ubuntu 22.04.
INFO __main__: Initializing weewx version 4.10.1
INFO __main__: Using Python 3.10.6 (main, Nov 14 2022, 16:10:14) [GCC 11.3.0]
INFO __main__: Located at /bin/python3
INFO __main__: Platform Linux-5.15.0-58-generic-x86_64-with-glibc2.35
INFO __main__: Locale is 'en_US.UTF-8'
INFO __main__: Using configuration file /etc/weewx/weewx.conf
INFO __main__: Debug is 1
INFO __main__: PID file is /var/run/weewx.pid
DEBUG __main__: Initializing engine
CRITICAL __main__: Caught unrecoverable exception:
CRITICAL __main__: **** 'driver'
CRITICAL __main__: **** Traceback (most recent call last):
CRITICAL __main__: **** File "/usr/share/weewx/weewxd", line 148, in main
CRITICAL __main__: **** engine = weewx.engine.StdEngine(config_dict)
CRITICAL __main__: **** File "/usr/share/weewx/weewx/engine.py", line 81, in __init__
CRITICAL __main__: **** self.setupStation(config_dict)
CRITICAL __main__: **** File "/usr/share/weewx/weewx/engine.py", line 103, in setupStation
CRITICAL __main__: **** driver = config_dict[station_type]['driver']
CRITICAL __main__: **** File "/usr/lib/python3/dist-packages/configobj.py", line 554, in __getitem__
CRITICAL __main__: **** val = dict.__getitem__(self, key)
CRITICAL __main__: **** KeyError: 'driver'
CRITICAL __main__: **** Exiting.
...done.
Started LSB: weewx weather system.