Removes "name" design datums. Adds logging for null design error. (#17165)

code/modules/research/designs/medical_designs.dm

@@ -155,7 +155,7 @@
 	build_path = /obj/item/reagent_scanner
 	category = list("Medical")
 
-/datum/design/item/scalpel_laser1
+/datum/design/scalpel_laser1
 	name = "Basic Laser Scalpel"
 	desc = "A scalpel augmented with a directed laser, for more precise cutting without blood entering the field. This one looks basic and could be improved."
 	id = "scalpel_laser1"
@@ -165,7 +165,7 @@
 	build_path = /obj/item/scalpel/laser/laser1
 	category = list("Medical")
 
-/datum/design/item/scalpel_laser2
+/datum/design/scalpel_laser2
 	name = "Improved Laser Scalpel"
 	desc = "A scalpel augmented with a directed laser, for more precise cutting without blood entering the field. This one looks somewhat advanced."
 	id = "scalpel_laser2"
@@ -175,7 +175,7 @@
 	build_path = /obj/item/scalpel/laser/laser2
 	category = list("Medical")
 
-/datum/design/item/scalpel_laser3
+/datum/design/scalpel_laser3
 	name = "Advanced Laser Scalpel"
 	desc = "A scalpel augmented with a directed laser, for more precise cutting without blood entering the field. This one looks to be the pinnacle of precision energy cutlery!"
 	id = "scalpel_laser3"
@@ -185,7 +185,7 @@
 	build_path = /obj/item/scalpel/laser/laser3
 	category = list("Medical")
 
-/datum/design/item/scalpel_manager
+/datum/design/scalpel_manager
 	name = "Incision Management System"
 	desc = "A true extension of the surgeon's body, this marvel instantly and completely prepares an incision allowing for the immediate commencement of therapeutic steps."
 	id = "scalpel_manager"

code/modules/research/research.dm

@@ -106,10 +106,13 @@ research holder datum.
 	return TRUE
 
 /datum/research/proc/AddDesign2Known(datum/design/D)
+	if(!D)
+		return FALSE
 	if(!CanAddDesign2Known(D))
-		return
+		return TRUE
 	// Global datums make me nervous
 	known_designs[D.id] = D
+	return TRUE
 
 //Refreshes known_tech and known_designs list.
 //Input/Output: n/a
@@ -119,7 +122,8 @@ research holder datum.
 			AddTech2Known(PT)
 	for(var/datum/design/PD in possible_designs)
 		if(DesignHasReqs(PD))
-			AddDesign2Known(PD)
+			if(!AddDesign2Known(PD))
+				log_runtime(EXCEPTION("Game attempted to add a null design to list of known designs! Design: [PD] with ID: [PD.id]"), src)
 	for(var/v in known_tech)
 		var/datum/tech/T = known_tech[v]
 		T.level = clamp(T.level, 0, 20)