[Stigg]

Try preloading the animation first:

pawn Код:

public OnPlayerConnect(playerid)
{
    PreloadAnimLib(playerid,"DANCING");
    return 1;
}

PreloadAnimLib(playerid, animlib[])//anywhere but in a callback
{
    ApplyAnimation(playerid,animlib,"null",0.0,0,0,0,0,0);
}

See if that helps.