From 5232e9cd2de21e8977906e00341db3367e2ffe3b Mon Sep 17 00:00:00 2001
From: Casey <a.roaming.shadow@gmail.com>
Date: Sun, 30 Oct 2022 11:25:23 -0400
Subject: [PATCH] Merge pull request #14009 from Heroman3003/material-runtime

Fixes inserting sheets with no defined material (like tiles) into machines
---
 code/datums/components/material_container.dm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/code/datums/components/material_container.dm b/code/datums/components/material_container.dm
index fbad2752ee..2b0c74e269 100644
--- a/code/datums/components/material_container.dm
+++ b/code/datums/components/material_container.dm
@@ -152,6 +152,11 @@
 			to_chat(user, "<span class='warning'>[parent] cannot contain [material].</span>")
 			return
 
+	// Our sheet had no material. Whoops.
+	if(!matter_per_sheet)
+		to_chat(user, "<span class='warning'>[S] does not contain any matter acceptable by [parent].</span>")
+		return
+
 	// If we can't fit the material for one sheet, we're full.
 	if(!has_space(matter_per_sheet))
 		to_chat(user, "<span class='warning'>[parent] is full. Please remove materials from [parent] in order to insert more.</span>")