Error When Running WeeWX with rtldavis

[Gavin G]

Hello I get this error when I am trying to run weewx with rtldavis.... cant seem to figure out where the errors come from ... 

Thanks

Gavin G 

Apr 05 04:06:33 tvbox weewxd[73070]: DEBUG user.rtldavis: i
nfo: 04:06:33.666347 undefined=false verbose=false disableAfc=false deviceString=0
Apr 05 04:06:33 tvbox weewxd[73070]: DEBUG user.rtldavis: i
nfo: 04:06:33.666591 BitRate: 19200
Apr 05 04:06:33 tvbox weewxd[73070]: DEBUG user.rtldavis: i
nfo: 04:06:33.666615 SymbolLength: 14
Apr 05 04:06:33 tvbox weewxd[73070]: DEBUG user.rtldavis: i
nfo: 04:06:33.666626 SampleRate: 268800
Apr 05 04:06:33 tvbox weewxd[73070]: DEBUG user.rtldavis: i
nfo: 04:06:33.666637 Preamble: 1100101110001001
Apr 05 04:06:33 tvbox weewxd[73070]: ERROR user.rtldavis: err: <gen
erator object ProcManager.get_stderr at 0xffff86bb9f30>
Apr 05 04:06:33 tvbox weewxd[73070]: INFO weewx.engine: Main loop exiting. Shutting engine
down.
Apr 05 04:06:33 tvbox weewxd[73070]: INFO user.rtldavis: shutdown process /usr/bin/rtldavis
 -tf US -tr 1
Apr 05 04:06:34 tvbox weewxd[73070]: CRITICAL __main__: Caught WeeW
xIOError: rtldavis process is not running
Apr 05 04:06:34 tvbox weewxd[73070]: CRITICAL __main__:     ****  W
aiting 60.0 seconds then retrying...