Runtime and bug fixes

code/modules/reagents/newchem/newchem_procs.dm

@@ -17,6 +17,8 @@ datum/reagents/proc/metabolize(var/mob/M)
 		handle_reactions()
 	for(var/A in reagent_list)
 		var/datum/reagent/R = A
+		if(!istype(R))
+			continue
 		if(ishuman(M))
 			var/mob/living/carbon/human/H = M
 			//Check if this mob's species is set and can process this type of reagent

code/modules/reagents/reagent_containers/food/snacks.dm

@@ -37,7 +37,7 @@
 	return
 
 /obj/item/weapon/reagent_containers/food/snacks/attack(mob/M as mob, mob/user as mob, def_zone)
-	if(!reagents.total_volume)						//Shouldn't be needed but it checks to see if it has anything left in it.
+	if(reagents && !reagents.total_volume)						//Shouldn't be needed but it checks to see if it has anything left in it.
 		user << "\red None of [src] left, oh no!"
 		M.unEquip(src)	//so icons update :[
 		qdel(src)