Digium phone reconfigure error


i get this error when doing a reconfigure

however if i go stop and start asterisk i can reconfigure the phones … once - then i get the error again until i restart

digium_phones reconfigure all Reconfigure message successfully sent to all known device locations. -- Channel 'Message/ast_msg_queue' sent to invalid extension: context,exten,priority=default,digium_phone_module,1 -- Executing [i@default:1] Playback("Message/ast_msg_queue", "invalid") in new stack [May 3 08:08:23] WARNING[4874][C-00000000]: channel.c:5309 set_format: Unable to find a codec translation path from (nothing) to (gsm|ulaw) [May 3 08:08:23] WARNING[4874][C-00000000]: file.c:1017 ast_streamfile: Unable to open invalid (format (nothing)): Function not implemented [May 3 08:08:23] WARNING[4874][C-00000000]: app_playback.c:480 playback_exec: ast_streamfile failed on Message/ast_msg_queue for invalid -- Auto fallthrough, channel 'Message/ast_msg_queue' status is 'UNKNOWN'


please, post your “extensions.conf”