Поправил создание таблицы

backend/src/main/resources/db/migration/V2__departmentCreate.sql

@@ -97,7 +97,7 @@ CREATE TABLE IF NOT EXISTS schedule_data (
     subjects_id BIGINT NOT NULL REFERENCES subjects(id),
     lesson_type_id BIGINT NOT NULL REFERENCES lesson_types(id),
     number_of_hours INT NOT NULL,
-    is_division BOOLEAN DEFAULT NOT NULL DEFAULT FALSE,
+    is_division BOOLEAN NOT NULL DEFAULT FALSE,
     teacher_id BIGINT NOT NULL REFERENCES users(id),
     semester_type VARCHAR(255) NOT NULL,
     period VARCHAR(255) NOT NULL