Null check operator used on a null value

[maitycyrus]

`======== Exception caught by gesture =============================================================== The following _CastError was thrown while handling a gesture: Null check operator used on a null value

When the exception was thrown, this was the stack: #0 _PersistentTabViewState.popAllScreens (package:persistent_bottom_nav_bar/persistent-tab-view.widget.dart:732:45) #1 _PersistentTabViewState.navigationBarWidget. (package:persistent_bottom_nav_bar/persistent-tab-view.widget.dart:601:25) #2 _BottomNavStyle12State.build.. (package:persistent_bottom_nav_bar/nav-bar-styles/style-12-bottom-nav-bar.widget.dart:177:59) #3 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:198:24) #4 TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:608:11) #5 BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:296:5) #6 BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:267:7) #7 GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:157:27) #8 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:443:20) #9 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:419:22) #10 RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:322:11) #11 GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:374:7) #12 GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:338:5) #13 GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:296:7) #14 GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:279:7) #18 _invoke1 (dart:ui/hooks.dart:170:10) #19 PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:331:7) #20 _dispatchPointerDataPacket (dart:ui/hooks.dart:94:31) (elided 3 frames from dart:async) Handler: "onTap" Recognizer: TapGestureRecognizer#a7603 debugOwner: GestureDetector state: ready won arena finalPosition: Offset(184.0, 629.5) finalLocalPosition: Offset(28.8, 19.1) button: 1 sent tap down =======================`

[maitycyrus]

_contextList is non-nullable

[alexaung]

How do you solve this issue? I am also facing it

[kubawich]

@maitycyrus Hey, how did You fix this?

[hortigado]

I have the same problem