assembleDebug failed with exit code 1

[sgehrman]

Running "flutter pub get" in FlutterWidgetGuide... 0.4s Launching lib/main.dart on Android SDK built for x86 in debug mode... E/flutter (29824): [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: 'package:flutter/src/widgets/page_view.dart': Failed assertion: line 179 pos 7: 'positions.isNotEmpty': PageController.page cannot be accessed before a PageView is built with it. [38;5;244mE/flutter (29824): #0 _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:40:39)[39;49m [38;5;244mE/flutter (29824): #1 _AssertionError._throwNew (dart:core-patch/errors_patch.dart:36:5)[39;49m [38;5;244mE/flutter (29824): #2 PageController.page[39;49m [38;5;248mE/flutter (29824): #3 CarouselState.initState. (package:carousel_pro/src/carousel_pro.dart:110:24)[39;49m [38;5;244mE/flutter (29824): #4 _rootRunUnary (dart:async/zone.dart:1132:38)[39;49m [38;5;244mE/flutter (29824): #5 _CustomZone.runUnary (dart:async/zone.dart:1029:19)[39;49m [38;5;244mE/flutter (29824): #6 _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)[39;49m [38;5;244mE/flutter (29824): #7 _CustomZone.bindUnaryCallbackGuarded. (dart:async/zone.dart:968:26)[39;49m [38;5;244mE/flutter (29824): #8 _rootRunUnary (dart:async/zone.dart:1136:13)[39;49m [38;5;244mE/flutter (29824): #9 _CustomZone.runUnary (dart:async/zone.dart:1029:19)[39;49m [38;5;244mE/flutter (29824): #10 _CustomZone.bindUnaryCallback. (dart:async/zone.dart:952:26)[39;49m [38;5;244mE/flutter (29824): #11 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:382:19)[39;49m [38;5;244mE/flutter (29824): #12 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:416:5)[39;49m [38;5;244mE/flutter (29824): #13 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)[39;49m E/flutter (29824): Gradle task assembleDebug failed with exit code 1 Exited (sigterm)