ULX IsUserGroup() Wont work.

[GoldenLeopard]

I cant figure out why this wont work please help me:

[QUOTE][ERROR] addons/spawnwithknife/lua/autorun/server/sv_knife.lua:2: attempt to index local 'ply' (a nil value)
[/QUOTE]

AddCSLuaFile('cl_knife.lua')

function GiveKnife(ply)
	if ply:IsUserGroup('admin') or ply:IsUserGroup('superadmin') or ply:IsUserGroup('owner') or ply:IsUserGroup('Trusted') or ply:IsUserGroup('Trusted Moderator') then
		ply:Give('bb_css_knife_alt')
	end
end

hook.Add('PlayerSpawn', 'WhenAPlayerSpawns/Respawns', GiveKnife(ply))

[CODE BLUE]

AddCSLuaFile('cl_knife.lua')

function GiveKnife(ply)
	if ply:IsUserGroup('admin') or ply:IsUserGroup('superadmin') or ply:IsUserGroup('owner') or ply:IsUserGroup('Trusted') or ply:IsUserGroup('Trusted Moderator') then
		ply:Give('bb_css_knife_alt')
	end
end

hook.Add('PlayerSpawn', 'WhenAPlayerSpawns/Respawns', GiveKnife)

[markusmarkusz]

You don't have to check every group. If for example "owner" inherts "superadmin" and "superadmin" inherts "admin" then you can use ply:IsAdmin() or ply:CheckGroup("admin").
This would be much easier.

For more informations you can take a look here:
[url]https://github.com/TeamUlysses/ulib/blob/master/lua/ulib/shared/sh_ucl.lua#L200-L303[/url]