fix: sometimes we have nil values.

lua/autorun/photon/shared/sh_simplenet.lua

@@ -152,7 +152,14 @@ if SERVER then
 		net.WriteEntity(ent)
 		for _, datum in ipairs(NET.FMap) do
 			PrintTable(datum)
-			NET.WriteFunctions[datum[2]](ent["Get" .. NET.Normalise(datum[1])](ent), datum[3])
+			local v = ent[NET.Normalise(datum[1])]
+			if v == nil then
+				net.WriteBool(false)
+			else
+				net.WriteBool(true)
+				NET.WriteFunctions[datum[2]](v, datum[3])
+			end
+
 		end
 		net.Send(ply)
 	end)
@@ -162,7 +169,9 @@ if CLIENT then
 	net.Receive("Photon_SimpleNet_Sync", function(len, ply)
 		local ent = net.ReadEntity()
 		for _, datum in ipairs(NET.FMap) do
-			ent[NET.Normalise(datum[1])] = NET.ReadFunctions[datum[2]](datum[3])
+			if net.ReadBool() then
+				ent[NET.Normalise(datum[1])] = NET.ReadFunctions[datum[2]](datum[3])
+			end
 		end
 	end)