[SnG.Scot_MisCuDI]

pawn Код:

#include <audio>

    public OnGameModeInit()
{
    
    Audio_SetPack("default_pack");
    return 1;
}

public OnPlayerConnect(playerid)
{
    Audio_Play(playerid, 1);
        return 1;
}

public OnPlayerSpawn(playerid)
{
    Audio_Stop(playerid, 1);
    return 1;
}

Not sure if thats how it is but you forgot

pawn Код:

#include <audio>