[mythtv-users] Cannot load language en_us for module Mythtv 0.23

[Paul]

I've just upgraded to 0.23-fixes (atrpms)  and in the Frontend logfile I'm seeing alot of 
these warnings/errors about "language en_us",

what does this mean? and do I need to fix anything?

eg

2010-05-01 11:05:37.697 MonitorRegisterExtensions(0x100, gif,jpg,png)
2010-05-01 11:05:37.698 Cannot load language en_us for module mythgallery
2010-05-01 11:05:37.704 Cannot load language en_us for module mythgame
2010-05-01 11:05:37.707 Cannot load language en_us for module mythmovies
2010-05-01 11:05:37.726 Current MythMusic Schema Version (MusicDBSchemaVer): 1017
2010-05-01 11:05:37.763 MonitorRegisterExtensions(0x40, 
mp3,mp2,ogg,oga,flac,wma,wav,ac3,oma,omg,atp,ra,dts,aac,m4a,aa3,tta,mka,aiff,swa,wv)
2010-05-01 11:05:37.768 Cannot load language en_us for module mythmusic
2010-05-01 11:05:37.775 Cannot load language en_us for module mythnetvision
2010-05-01 11:05:37.780 Cannot load language en_us for module mythnews