Have you synced your mods since you updated? the example in my help file is
the information fied above it is
Rem Load and Play a small example wav file. End Rem sound=LoadSound("shoot.wav") PlaySound sound Input "Press any key to continue"
the information fied above it is
url can be either a string, a stream or an audio sample object. The returned sound can be played using PlaySound or CueSound. The flags parameter can be any combination of: SOUND_LOOP : The sound should loop when played back. SOUND_HARDWARE : The sound should be placed in onboard soundcard memory if possible.