forceWalk funktioniert nicht

0 spawn
{
    while {true} do
    {
        life_maxWeight = life_maxWeightT + load1 + load2;
        sleep 1.5;
        if(life_carryWeight > life_maxWeight && !isForcedWalk player) then {
            player forceWalk true;
            player setFatigue 1;
            hint localize "STR_NOTF_MaxWeight";
        } else {
            if(isForcedWalk player) then {
                player forceWalk false;
            };
        };
    };
};