From 56a6d90f36f2b20f537ebb4d8f8b71696e6137cc Mon Sep 17 00:00:00 2001
From: Chaosus <chaosus89@gmail.com>
Date: Sun, 8 Apr 2018 19:52:13 +0300
Subject: [PATCH] Fix #18058 regression

---
 editor/property_editor.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/editor/property_editor.cpp b/editor/property_editor.cpp
index e1ee32fb4f0..4bd70d0c29e 100644
--- a/editor/property_editor.cpp
+++ b/editor/property_editor.cpp
@@ -882,7 +882,12 @@ bool CustomPropertyEditor::edit(Object *p_owner, const String &p_name, Variant::
 			} else if (hint_text != "") {
 				int idx = 0;
 
-				const Vector<EditorData::CustomType> custom_resources = EditorNode::get_editor_data().get_custom_types()["Resource"];
+				Vector<EditorData::CustomType> custom_resources;
+
+				if (EditorNode::get_editor_data().get_custom_types().has("Resource")) {
+					custom_resources = EditorNode::get_editor_data().get_custom_types()["Resource"];
+				}
+
 				for (int i = 0; i < hint_text.get_slice_count(","); i++) {
 
 					String base = hint_text.get_slice(",", i);