soundGroup problem

Hi. I'm making sound mods. But, soundGroup doesn't work. So, I can't progress making my mods....
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my settings is

etki_sounds.sbeam
["24v6engine", "vehicles/etki/sounds/24i/exi.wav", "AudioDefaultLoop3D", "ENGINE", "rpm", 1, 0, 0, 0, 0.5, 10.56, 0000, "MAXRPM", 000, 200, 500, 1200,...

soundGroup problem