ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: NoSuchMethodError: The method 'showSnackBar' was called on null. · Issue #76704 · flutter/flutter · GitHub
Sometimes an NoSuchMethodError is occured in the NestedScrollView · Issue #23563 · flutter/flutter · GitHub
![ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: NoSuchMethodError: The method 'showSnackBar' was called on null. · Issue #76704 · flutter/flutter · GitHub ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: NoSuchMethodError: The method 'showSnackBar' was called on null. · Issue #76704 · flutter/flutter · GitHub](https://user-images.githubusercontent.com/20194456/109017398-e50d7080-7695-11eb-9ca9-ed2dcf219e97.png)
ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: NoSuchMethodError: The method 'showSnackBar' was called on null. · Issue #76704 · flutter/flutter · GitHub
![Flutter error: The method 'validate' was called on null. Receiver: null Tried calling: validate() - Stack Overflow Flutter error: The method 'validate' was called on null. Receiver: null Tried calling: validate() - Stack Overflow](https://i.stack.imgur.com/GwqwO.png)
Flutter error: The method 'validate' was called on null. Receiver: null Tried calling: validate() - Stack Overflow
![Another exception was thrown: NoSuchMethodError: The getter '_store' was called on null. · Issue #30 · brianegan/flutter_redux · GitHub Another exception was thrown: NoSuchMethodError: The getter '_store' was called on null. · Issue #30 · brianegan/flutter_redux · GitHub](https://user-images.githubusercontent.com/20774506/37759141-674ebfbc-2dbb-11e8-9775-98ca33a32eb1.png)
Another exception was thrown: NoSuchMethodError: The getter '_store' was called on null. · Issue #30 · brianegan/flutter_redux · GitHub
![Another exception was thrown: NoSuchMethodError: The getter '_store' was called on null. · Issue #30 · brianegan/flutter_redux · GitHub Another exception was thrown: NoSuchMethodError: The getter '_store' was called on null. · Issue #30 · brianegan/flutter_redux · GitHub](https://user-images.githubusercontent.com/1901832/38061638-590975dc-3333-11e8-8cfb-3dd5140b7966.png)
Another exception was thrown: NoSuchMethodError: The getter '_store' was called on null. · Issue #30 · brianegan/flutter_redux · GitHub
![scrollable_positioned_list stopped worked after flutter 1.22 upgrade · Issue #183 · google/flutter.widgets · GitHub scrollable_positioned_list stopped worked after flutter 1.22 upgrade · Issue #183 · google/flutter.widgets · GitHub](https://user-images.githubusercontent.com/4871097/95394832-1e456f80-08b2-11eb-9164-cf5756395d61.png)