From afd7c963dcba5e5ffc855079ed8a9e2a78991ca9 Mon Sep 17 00:00:00 2001
From: GDN <96800819+GDNgit@users.noreply.github.com>
Date: Wed, 8 Mar 2023 13:15:28 -0600
Subject: [PATCH] fixes a null material runtime (#20491)

---
 code/datums/components/material_container.dm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/code/datums/components/material_container.dm b/code/datums/components/material_container.dm
index 3cccd0a2a77..31bef9552de 100644
--- a/code/datums/components/material_container.dm
+++ b/code/datums/components/material_container.dm
@@ -319,6 +319,8 @@
 /datum/component/material_container/proc/get_item_material_amount(obj/item/I)
 	if(!istype(I))
 		return FALSE
+	if(!I.materials) // some objects have no materials and this will cause runtimes without this check
+		return 0
 	var/material_amount = 0
 	for(var/MAT in materials)
 		material_amount += I.materials[MAT]