From a349301626811f88db3557de35a4230420136996 Mon Sep 17 00:00:00 2001
From: Joseph Burton
Date: Wed, 3 Sep 2025 12:20:36 +0100
Subject: Fix crash from multimap conversion (#558)

---
 enigma/src/main/java/cuchaz/enigma/analysis/StructureTreeNode.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/enigma/src/main/java/cuchaz/enigma/analysis/StructureTreeNode.java b/enigma/src/main/java/cuchaz/enigma/analysis/StructureTreeNode.java
index c0979f5c..c7a633a0 100644
--- a/enigma/src/main/java/cuchaz/enigma/analysis/StructureTreeNode.java
+++ b/enigma/src/main/java/cuchaz/enigma/analysis/StructureTreeNode.java
@@ -43,7 +43,7 @@ public class StructureTreeNode extends DefaultMutableTreeNode {
 	}
 
 	public void load(EnigmaProject project, StructureTreeOptions options) {
-		Stream<ParentedEntry<?>> children = project.getJarIndex().getChildrenByClass().get(this.parentEntry).stream();
+		Stream<ParentedEntry<?>> children = project.getJarIndex().getChildrenByClass().getOrDefault(this.parentEntry, List.of()).stream();
 
 		children = switch (options.obfuscationVisibility()) {
 		case ALL -> children;
-- 
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