try this
function fbskin(thePlayer)
local fac = getElementData(thePlayer,"Faction")
local rank = getElementData(thePlayer,"Rank")
if (fac == 4) then
if (rank == 0) then
setElementModel(thePlayer,117)
elseif (rank == 1) then
setElementModel(thePlayer,163)
elseif (rank == 2) then
setElementModel(thePlayer,164)
elseif (rank == 3) then
setElementModel(thePlayer,286)
elseif (rank == 4) then
setElementModel(thePlayer,166)
elseif (rank == 5) then
setElementModel(thePlayer,165)
end
else
outputChatBox ( "Вы здесь не работаете!", thePlayer, 0,191,255 )
end
end
addEventHandler( "onMarkerHit", fbpickup, fbskin)