not found

scala Error: Main method not found in class please define the main method as: public static void main(String[] args) or a JavaFX application class must extend javafx.application.Application

error: Error: Unable to resolve module `react-native-gesture-handler` from `node_modules\@react-navigation\native\lib\module\Scrollables.js`: react-native-gesture-handler could not be found within the project.

./src/components/Header/HeaderElements.js [1] Module not found: Can't resolve 'react-icons/fa' in '/Users/rubenmatamoros/Desktop/ucf-coding-bootcamp-2020/fitter/client/src/components/Header'

'NewBehaviourScript' does not contain a definition for 'GameObject' and no accessible extension method 'GameObject' accepting a first argument of type 'NewBehaviourScript' could be found (are you missing a using directive or an assembly reference?)

Assets/Scripts/Snake.cs(177,25): error CS1061: Type `Snake.SnakeBodyPart' does not contain a definition for `SetGridPostion' and no extension method `SetGridPostion' of type `Snake.SnakeBodyPart' could be found. Are you missing an assembly reference?

User' does not contain a definition for 'Confirm Password' and no extension method 'Confirm Password' accepting a first argument of type 'User' could be found (are you missing a using directive or an assembly reference?)

CS1061 C# 'EventArgs' does not contain a definition for 'KeyCode' and no accessible extension method 'KeyCode' accepting a first argument of type 'EventArgs' could be found (are you missing a using directive or an assembly reference?)

mysqlworkbench Your connection attempt failed for user 'root' from your host to server at 127.0.0.1:3306: Authentication plugin 'caching_sha2_password' cannot be loaded: dlopen(/usr/local/mysql/lib/plugin/caching_sha2_password.so, 2): image not found

ERROR in ./node_modules/tns-core-modules/ui/core/view/view.js Module not found: Error: Can't resolve '@nativescript/core/ui/core/view/view' in '/home/deepali/projects/supersquad-client/node_modules/tns-core-modules/ui/core/view'

[ WARN:0] global C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-wwma2wne\o pencv\modules\videoio\src\cap_msmf.cpp (677) CvCapture_MSMF::initStream Failed t o set mediaType (stream 0, (640x480 @ 30) MFVideoFormat_RGB24(codec not found)