make travelcenter button actually work

unified_inventory.lua

 unified_inventory.register_button("illuna_travelcenter", {
 	type = "image",
 	image = "travelnet_inv.png",
-	tooltip = "Teleport to the Travelcenter",
+	tooltip = "Teleport to the Illuna Travelcenter",
 	hide_lite = true,
-	action = function(player, param)
-                local player = minetest.get_player_by_name(name)
-                local travelcenterPos = minetest.setting_get("travelcenter_pos") 
-                player:setpos(travelcenterPos)
-                --minetest.chat_send_player(name, core.colorize(color_success, "Alrighty, have fun exploring."))
+	action = function(player)
+                local playername = player:get_player_name()
+                local travelcenterPos = minetest.settings:get("travelcenter_pos")
+		local color = minetest.settings:get("color_success")
+		player:setpos(minetest.string_to_pos(travelcenterPos))
+		minetest.chat_send_player(playername, core.colorize(color, "Alrighty, have fun traveling."))
 	end
 })