From fed817c6d0f7e13e0f7e3657922e6af13c6b67da Mon Sep 17 00:00:00 2001
From: "hyojun.choi" <chlgkwk123@nate.com>
Date: Wed, 11 Jun 2025 11:13:18 +0900
Subject: [PATCH] =?UTF-8?q?=EC=84=A4=EC=B9=98=EB=A9=B4=EC=97=90=20module?=
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---
 src/hooks/module/useTrestle.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/hooks/module/useTrestle.js b/src/hooks/module/useTrestle.js
index 643b8e03..b0ec3a31 100644
--- a/src/hooks/module/useTrestle.js
+++ b/src/hooks/module/useTrestle.js
@@ -2568,6 +2568,10 @@ export const useTrestle = () => {
   const getSameLineModules = (surface) => {
     const { direction, modules, isChidory } = surface
 
+    if (!modules || modules.length === 0) {
+      return
+    }
+
     // 같은 단에 있는 모듈들의 리스트
     let sameLineModuleList = []