From 91a7c3befe260004400c53ba2775257b528ed836 Mon Sep 17 00:00:00 2001
From: Hank-Choi <zlzlqlzl1@naver.com>
Date: Mon, 28 Aug 2023 16:57:11 +0900
Subject: [PATCH] =?UTF-8?q?[hotfix]=20course=5Ftitle=20=EB=B9=88=20?=
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---
 src/core/timetable/TimetableLectureService.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/timetable/TimetableLectureService.ts b/src/core/timetable/TimetableLectureService.ts
index 9f082c28..fd63aa0b 100644
--- a/src/core/timetable/TimetableLectureService.ts
+++ b/src/core/timetable/TimetableLectureService.ts
@@ -121,6 +121,8 @@ export async function partialModifyUserLecture(userId: string, tableId: string,
     throw new TimetableNotFoundError();
   }
 
+  if (!lecture.course_title) throw new InvalidLectureUpdateRequestError(lecture);
+
   if (lecture.course_number || lecture.lecture_number) {
     throw new InvalidLectureUpdateRequestError(lecture);
   }