Error message

Jul 13 04:20:19 VERBOSE[9542] logger.c: – Created MeetMe conference 1023 for conference '81001’
Jul 13 04:20:19 WARNING[9542] channel.c: Unable to find a codec translation path from g729 to unknown
Jul 13 04:20:19 WARNING[9542] file.c: Unable to open conf-onlyperson (format g729): No such file or directory
Jul 13 04:20:19 WARNING[9542] channel.c: Unable to find a codec translation path from g729 to slin
Jul 13 04:20:19 WARNING[9542] app_meetme.c: Unable to set ‘SIP/1184-ad0d’ to write linear mode