diff --git a/code/game/objects/structures/lavaland/geyser.dm b/code/game/objects/structures/lavaland/geyser.dm
index 4f6256e9c4..2379513d03 100644
--- a/code/game/objects/structures/lavaland/geyser.dm
+++ b/code/game/objects/structures/lavaland/geyser.dm
@@ -9,7 +9,7 @@
 
 	var/erupting_state = null //set to null to get it greyscaled from "[icon_state]_soup". Not very usable with the whole random thing, but more types can be added if you change the spawn prob
 	var/activated = FALSE //whether we are active and generating chems
-	var/reagent_id = /datum/reagent/fuel/oil
+	var/reagent_id = /datum/reagent/oil
 	var/potency = 2 //how much reagents we add every process (2 seconds)
 	var/max_volume = 500
 	var/start_volume = 50
diff --git a/code/game/turfs/simulated/floor/plating/asteroid.dm b/code/game/turfs/simulated/floor/plating/asteroid.dm
index f862a314a7..6e7dbaf904 100644
--- a/code/game/turfs/simulated/floor/plating/asteroid.dm
+++ b/code/game/turfs/simulated/floor/plating/asteroid.dm
@@ -149,6 +149,8 @@
 	var/list/megafauna_spawn_list
 	/// Flora that can spawn in the tunnel, weighted list
 	var/list/flora_spawn_list
+	//terrain to spawn weighted list
+	var/list/terrain_spawn_list
 	/// Turf type to choose when spawning in tunnel at 1% chance, weighted list
 	var/list/choose_turf_type
 	/// if the tunnel should keep being created
@@ -230,7 +232,8 @@
 		megafauna_spawn_list = list(/mob/living/simple_animal/hostile/megafauna/dragon = 4, /mob/living/simple_animal/hostile/megafauna/colossus = 2, /mob/living/simple_animal/hostile/megafauna/bubblegum = SPAWN_BUBBLEGUM)
 	if (!flora_spawn_list)
 		flora_spawn_list = list(/obj/structure/flora/ash/leaf_shroom = 2 , /obj/structure/flora/ash/cap_shroom = 2 , /obj/structure/flora/ash/stem_shroom = 2 , /obj/structure/flora/ash/cacti = 1, /obj/structure/flora/ash/tall_shroom = 2)
-
+	if(!terrain_spawn_list)
+		terrain_spawn_list = list(/obj/structure/geyser/random = 1)
 	. = ..()
 	if(!has_data)
 		produce_tunnel_from_data()
diff --git a/code/modules/hydroponics/seeds.dm b/code/modules/hydroponics/seeds.dm
index 69b36c58ce..c7314bf180 100644
--- a/code/modules/hydroponics/seeds.dm
+++ b/code/modules/hydroponics/seeds.dm
@@ -195,6 +195,7 @@ obj/item/seeds/proc/is_gene_forbidden(typepath)
 	var/t_amount = 0
 	var/list/result = list()
 	var/output_loc =  parent.loc
+	var/product_name
 	while(t_amount < getYield())
 		var/obj/item/reagent_containers/food/snacks/grown/t_prod = new product(output_loc, src)
 		if(parent.myseed.plantname != initial(parent.myseed.plantname))
diff --git a/code/modules/reagents/chemistry/reagents.dm b/code/modules/reagents/chemistry/reagents.dm
index f2add0bd4f..672127cb11 100644
--- a/code/modules/reagents/chemistry/reagents.dm
+++ b/code/modules/reagents/chemistry/reagents.dm
@@ -59,7 +59,7 @@ GLOBAL_LIST_INIT(name2reagent, build_name2reagent())
 	. = ..()
 
 	if(material)
-		material = getmaterialref(material)
+		material = SSmaterials.GetMaterialRef(material)
 
 
 /datum/reagent/Destroy() // This should only be called by the holder, so it's already handled clearing its references
diff --git a/code/modules/reagents/chemistry/reagents/other_reagents.dm b/code/modules/reagents/chemistry/reagents/other_reagents.dm
index ea9dbd5a9d..75e65a14d3 100644
--- a/code/modules/reagents/chemistry/reagents/other_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/other_reagents.dm
@@ -2273,7 +2273,7 @@
 /datum/reagent/gravitum/reaction_obj(obj/O, volume)
 	O.AddElement(/datum/element/forced_gravity, 0)
 
-	addtimer(CALLBACK(O, .proc/RemoveElement, /datum/element/forced_gravity, 0), volume * time_multiplier)
+	addtimer(CALLBACK(O, .proc/_RemoveElement, /datum/element/forced_gravity, 0), volume * time_multiplier)
 
 /datum/reagent/gravitum/on_mob_add(mob/living/L)
 	L.AddElement(/datum/element/forced_gravity, 0) //0 is the gravity, and in this case weightless
diff --git a/code/modules/research/designs/medical_designs.dm b/code/modules/research/designs/medical_designs.dm
index fbe805af41..04ef917b00 100644
--- a/code/modules/research/designs/medical_designs.dm
+++ b/code/modules/research/designs/medical_designs.dm
@@ -1069,7 +1069,7 @@
 	build_type = PROTOLATHE
 	materials = list(MAT_METAL = 1000, MAT_GLASS = 500)
 	construction_time = 75
-	build_path = /obj/machinery/liquid_pump
+	build_path = /obj/machinery/plumbing/liquid_pump
 	category = list("Misc","Medical Designs")
 	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE