error

Warning: Use of undefined constant vNumber - assumed 'vNumber' (this will throw an Error in a future version of PHP) in C:\xampp\htdocs\HelloWorld\vorbereitung.php on line 112

PHP Fatal error: Class UpdateHelper\ComposerPlugin contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (Composer\Plugin\PluginInterface::deactivate

error: cannot find module 'webpack-cli/bin/config-yargs' require stack: - /users/collins/desktop/react.teamtree/node_modules/webpack-dev-server/bin/webpack-dev-server.js

an error occurred while installing pg (1.2.3), and bundler cannot continue. make sure that `gem install pg -v '1.2.3' --source 'https://rubygems.org/'` succeeds before bundling.

To https://git.heroku.com/clone-insta10.git ! [remote rejected] HEAD -> master (pre-receive hook declined) error: failed to push some refs to 'https://git.heroku.com/clone-insta10.git'

error nu1202: package dotnet-aspnet-codegenerator 5.0.1 is not compatible with netcoreapp3.1 (.netcoreapp,version=v3.1) / any. package dotnet-aspnet-codegenerator 5.0.1 supports: net5.0 (.netcoreapp,version=v5.0)

Syntax error or access violation: 1071 Specified key was too long; max key length is 1000 bytes (SQL: alter table `users` add index `users_userable_type_userable_id_index`(`userable_type`, `userable_id`)

Error: Unable to resolve module `react-native-screens` from `node_modules/@react-navigation/bottom-tabs/src/views/BottomTabView.tsx`: react-native-screens could not be found within the project.

unable to create file (unable to open file: name = 'model_2020-07-31 17:30:22.924235.hdf5', errno = 22, error message = 'invalid argument', flags = 13, o_flags = 302

Fatal error: Uncaught PDOException: SQLSTATE[21S01]: Insert value list does not match column list: 1136 Column count doesn't match value count at row 1 in