Fix #18058 regression

1 files changed, 6 insertions, 1 deletions

diff --git a/editor/property_editor.cpp b/editor/property_editor.cpp
index e1ee32fb4f..4bd70d0c29 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);