exception

exception.txt

Launching lib/main.dart on iPhone in debug mode...
Signing iOS app for device deployment using developer identity: "<removed>"
Running Xcode clean...
Starting Xcode build...
Xcode build done
Installing and launching...
Syncing files to device iPhone...
══╡ EXCEPTION CAUGHT BY GESTURE ╞═══════════════════════════════════════════════════════════════════
The following assertion was thrown while handling a gesture:
'package:flutter/src/material/ink_well.dart': Failed assertion: line 41: 'controller != null': is
not true.

Either the assertion indicates an error in the framework itself, or we should provide substantially
more information in this error message to help you determine and fix the underlying cause.
In either case, please report this assertion by filing a bug on GitHub:
  https://github.com/flutter/flutter/issues/new

When the exception was thrown, this was the stack:
#2      new InteractiveInkFeature (package:flutter/src/material/ink_well.dart:41)
#3      new InkSplash (package:flutter/src/material/ink_splash.dart:130)
#4      _InkSplashFactory.create (package:flutter/src/material/ink_splash.dart:61)
#5      _TextFieldState._createInkFeature (package:flutter/src/material/text_field.dart:366)
#6      _TextFieldState._startSplash (package:flutter/src/material/text_field.dart:405)
#7      _TextFieldState._handleTapDown (package:flutter/src/material/text_field.dart:384)
#8      TapGestureRecognizer._checkDown.<anonymous closure> (package:flutter/src/gestures/tap.dart:142)
#9      GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:102)
#10     TapGestureRecognizer._checkDown (package:flutter/src/gestures/tap.dart:142)
#11     TapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:121)
#12     GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:156)
#13     BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:147)
#14     BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:121)
#15     BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:101)
#16     BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:64)
#17     BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:48)
#18     _invoke1 (file:///Users/errolc/code/flutter/bin/cache/pkg/sky_engine/lib/ui/hooks.dart:134)
#19     _dispatchPointerDataPacket (file:///Users/errolc/code/flutter/bin/cache/pkg/sky_engine/lib/ui/hooks.dart:91)
(elided 2 frames from class _AssertionError)

Handler: onTapDown
Recognizer:
  TapGestureRecognizer#ddee3(debugOwner: GestureDetector, state: ready, finalPosition: Offset(80.0,
  402.0))
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