As title, the iSchool may have a login issue when we first launch the app.
flutter: \^[[38;5;196m┌───────────────────────────────────────────────────────────<…>
flutter: \^[[38;5;196m│ #0 List.[] (dart:core-patch/growable_array.dart:281:36)<…>
flutter: \^[[38;5;196m│ #1 ISchoolPlusConnector.getSubscribeNotice (package:flutter_app/src/connector/ISchoolPlusConnector.dart:401:79)<…>
flutter: \^[[38;5;196m│ #2 <asynchronous suspension><…>
flutter: \^[[38;5;196m│ #3 IPlusSubscribeNoticeTask.execute (package:flutter_app/src/task/iplus/IPlusSubscribeNoticeTask.dart:13:28)<…>
flutter: \^[[38;5;196m│ #4 <asynchronous suspension><…>
flutter: \^[[38;5;196m│ #5 TaskFlow.start (package:flutter_app/src/task/TaskFlow.dart:54:27)<…>
flutter: \^[[38;5;196m│ #6 <asynchronous suspension><…>
flutter: \^[[38;5;196m│ #7 _CourseTablePageState.getCourseNotice (package:flutter_app/ui/pages/coursetable/CourseTablePage.dart:92:9)<…>
flutter: \^[[38;5;196m├┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄<…>
flutter: \^[[38;5;196m│ RangeError (index): Invalid value: Only valid value is 0: 1<…>
flutter: \^[[38;5;196m└───────────────────────────────────────────────────────────<…>