Fixes a lack of feedback when entering too many points for the gulag. (#37339)

code/game/machinery/computer/gulag_teleporter.dm

@@ -106,6 +106,8 @@
 				return
 			if(!new_goal)
 				new_goal = default_goal
+			if (new_goal > 1000)
+				to_chat(usr, "The entered amount of points is too large. Points have instead been set to the maximum allowed amount.")
 			id.goal = CLAMP(new_goal, 0, 1000) //maximum 1000 points
 		if("toggle_open")
 			if(teleporter.locked)