14:33:22.034 1 info flutter.tools E/flutter ( 9183): [ERROR:flutter/shell/common/shell.cc(181)] Dart Error: Unhandled exception:
14:33:22.034 2 info flutter.tools E/flutter ( 9183): NoSuchMethodError: The getter 'length' was called on null.
14:33:22.034 3 info flutter.tools E/flutter ( 9183): Receiver: null
14:33:22.034 4 info flutter.tools E/flutter ( 9183): Tried calling: length
14:33:22.034 5 info flutter.tools E/flutter ( 9183): #0      Object.noSuchMethod (dart:core/runtime/libobject_patch.dart:48:5)
14:33:22.034 6 info flutter.tools E/flutter ( 9183): #1      _Uri._uriEncode (dart:core/runtime/liburi_patch.dart:44:23)
14:33:22.034 7 info flutter.tools E/flutter ( 9183): #2      Uri.encodeQueryComponent (dart:core/uri.dart:1092:17)
14:33:22.034 8 info flutter.tools E/flutter ( 9183): #3      mapToQuery.<anonymous closure> (package:http/src/utils.dart:19:22)
14:33:22.034 9 info flutter.tools E/flutter ( 9183): #4      CastMap.forEach.<anonymous closure> (dart:_internal/cast.dart:286:8)
14:33:22.034 10 info flutter.tools E/flutter ( 9183): #5      __InternalLinkedHashMap&_HashVMBase&MapMixin&_LinkedHashMapMixin.forEach (dart:collection/runtime/libcompact_hash.dart:365:8)
14:33:22.034 11 info flutter.tools E/flutter ( 9183): #6      CastMap.forEach (dart:_internal/cast.dart:285:13)
14:33:22.034 12 info flutter.tools E/flutter ( 9183): #7      mapToQuery (package:http/src/utils.dart:17:7)
14:33:22.034 13 info flutter.tools E/flutter ( 9183): #8      Request.bodyFields= (package:http/src/request.dart:128:17)
14:33:22.034 14 info flutter.tools E/flutter ( 9183): #9      BaseClient._sendUnstreamed (package:http/src/base_client.dart:165:17)
14:33:22.034 15 info flutter.tools E/flutter ( 9183): <asynchronous suspension>
14:33:22.034 16 info flutter.tools E/flutter ( 9183): #10     BaseClient.post (package:http/src/base_client.dart:56:5)
14:33:22.034 17 info flutter.tools E/flutter ( 9183): #11     post.<anonymous closure> (package:http/http.dart:70:34)
14:33:22.034 18 info flutter.tools E/flutter ( 9183): #12     _withClient (package:http/http.dart:167:20)
14:33:22.034 19 info flutter.tools E/flutter ( 9183): <asynchronous suspension>
14:33:22.034 20 info flutter.tools E/flutter ( 9183): #13     post (package:http/http.dart:70:3)
14:33:22.034 21 info flutter.tools E/flutter ( 9183): #14     LoginPageState._checkLogin (package:cloudlook_flutter/ui/page/login/login_main.dart:42:26)
14:33:22.034 22 info flutter.tools E/flutter ( 9183): <asynchronous suspension>
14:33:22.034 23 info flutter.tools E/flutter ( 9183): #15     LoginPageState.loginFields.<anonymous closure> (package:cloudlook_flutter/ui/page/login/login_main.dart:148:15)
14:33:22.034 24 info flutter.tools E/flutter ( 9183): #16     _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:503:14)
14:33:22.034 25 info flutter.tools E/flutter ( 9183): #17     _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:558:30)
14:33:22.034 26 info flutter.tools E/flutter ( 9183): #18     GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:102:24)
14:33:22.034 27 info flutter.tools E/flutter ( 9183): #19     TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:242:9)
14:33:22.034 28 info flutter.tools E/flutter ( 9183): #20     TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:175:7)
14:33:22.034 29 info flutter.tools E/flutter ( 9183): #21     PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:315:9)
14:33:22.034 30 info flutter.tools E/flutter ( 9183): #22     PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:73:12)
14:33:22.034 31 info flutter.tools E/flutter ( 9183): #23     PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:101:11)
14:33:22.034 32 info flutter.tools E/flutter ( 9183): #24     _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:143:19)
14:33:22.034 33 info flutter.tools E/flutter ( 9183): #25     _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:121:22)
14:33:22.034 34 info flutter.tools E/flutter ( 9183): #26     _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:101:7)
14:33:22.034 35 info flutter.tools E/flutter ( 9183): #27     _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:64:7)
14:33:22.034 36 info flutter.tools E/flutter ( 9183): #28     _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:48:7)
14:33:22.034 37 info flutter.tools E/flutter ( 9183): #29     _invoke1 (dart:ui/hooks.dart:142:13)
14:33:22.034 38 info flutter.tools E/flutter ( 9183): #30     _dispatchPointerDataPacket (dart:ui/hooks.dart:99:5)