/obj/screen --> /atom/movable/screen

code/modules/atmospherics/auxgm/breathing_classes.dm

@@ -10,9 +10,9 @@
 	var/list/products = null
 	var/danger_reagent = null
 	var/low_alert_category = "not_enough_oxy"
-	var/low_alert_datum =  /obj/screen/alert/not_enough_oxy
+	var/low_alert_datum =  /atom/movable/screen/alert/not_enough_oxy
 	var/high_alert_category = "too_much_oxy"
-	var/high_alert_datum =  /obj/screen/alert/too_much_oxy
+	var/high_alert_datum =  /atom/movable/screen/alert/too_much_oxy
 
 /datum/breathing_class/oxygen
 	gases = list(
@@ -32,6 +32,6 @@
 		GAS_CO2 = 1
 	)
 	low_alert_category = "not_enough_tox"
-	low_alert_datum = /obj/screen/alert/not_enough_tox
+	low_alert_datum = /atom/movable/screen/alert/not_enough_tox
 	high_alert_category = "too_much_tox"
-	high_alert_datum = /obj/screen/alert/too_much_tox
+	high_alert_datum = /atom/movable/screen/alert/too_much_tox

code/modules/atmospherics/auxgm/gas_types.dm

@@ -10,11 +10,11 @@
 	breath_alert_info = list(
 		not_enough_alert = list(
 			alert_category = "not_enough_nitro",
-			alert_type = /obj/screen/alert/not_enough_nitro
+			alert_type = /atom/movable/screen/alert/not_enough_nitro
 		),
 		too_much_alert = list(
 			alert_category = "too_much_nitro",
-			alert_type = /obj/screen/alert/too_much_nitro
+			alert_type = /atom/movable/screen/alert/too_much_nitro
 		)
 	)
 	name = "Nitrogen"
@@ -27,11 +27,11 @@
 	breath_alert_info = list(
 		not_enough_alert = list(
 			alert_category = "not_enough_co2",
-			alert_type = /obj/screen/alert/not_enough_co2
+			alert_type = /atom/movable/screen/alert/not_enough_co2
 		),
 		too_much_alert = list(
 			alert_category = "too_much_co2",
-			alert_type = /obj/screen/alert/too_much_co2
+			alert_type = /atom/movable/screen/alert/too_much_co2
 		)
 	)
 	fusion_power = 3
@@ -138,11 +138,11 @@
 	breath_alert_info = list(
 		not_enough_alert = list(
 			alert_category = "not_enough_ch4",
-			alert_type = /obj/screen/alert/not_enough_ch4
+			alert_type = /atom/movable/screen/alert/not_enough_ch4
 		),
 		too_much_alert = list(
 			alert_category = "too_much_ch4",
-			alert_type = /obj/screen/alert/too_much_ch4
+			alert_type = /atom/movable/screen/alert/too_much_ch4
 		)
 	)
 	fire_energy_released = FIRE_CARBON_ENERGY_RELEASED
@@ -156,11 +156,11 @@
 	breath_alert_info = list(
 		not_enough_alert = list(
 			alert_category = "not_enough_ch3br",
-			alert_type = /obj/screen/alert/not_enough_ch3br
+			alert_type = /atom/movable/screen/alert/not_enough_ch3br
 		),
 		too_much_alert = list(
 			alert_category = "too_much_ch3br",
-			alert_type = /obj/screen/alert/too_much_ch3br
+			alert_type = /atom/movable/screen/alert/too_much_ch3br
 		)
 	)
 	fire_products = list(GAS_CO2 = 1, GAS_H2O = 1.5, GAS_BZ = 0.5)

code/modules/atmospherics/machinery/components/unary_devices/cryo.dm

@@ -439,7 +439,7 @@
 	return // we don't see the pipe network while inside cryo.
 
 /obj/machinery/atmospherics/components/unary/cryo_cell/get_remote_view_fullscreens(mob/user)
-	user.overlay_fullscreen("remote_view", /obj/screen/fullscreen/impaired, 1)
+	user.overlay_fullscreen("remote_view", /atom/movable/screen/fullscreen/impaired, 1)
 
 /obj/machinery/atmospherics/components/unary/cryo_cell/can_crawl_through()
 	return // can't ventcrawl in or out of cryo.