Why wont my AnimationTrack stop at all?

so im trying to make a combat and when im trying to make block i want it to stop but it wont stop...????

wait(.1)
plr = script.parent.Parent.Parent
char = plr.Character
rs = game.ReplicatedStorage
anims = rs.Animations
remote = rs.Remote
idlea = anims.FistIdle
blocka = anims.FistBlock
block = remote.urmomgae
equip = remote.equip
tool = script.Parent


-- spacing

equip.OnServerEvent:connect(function(player, thingy)
	local f = char.Humanoid:LoadAnimation(idlea)
	if thingy == false then
	f:Play()
	end
	if thingy == true then
for i,v in pairs (char.Humanoid:GetPlayingAnimationTracks()) do
    v:Stop()
end
	end	
end)


block.OnServerEvent:connect(function(player, bool)
	local blockplay = char.Humanoid:LoadAnimation(blocka)
	if bool == true then
	
	blockplay:Play()
	else if bool == false then
	blockplay:Stop()
	end
	end
end)