Fatal error: Uncaught Error: Class "Illuminate\Database\Query\Grammars\Grammar" not found in G:\projects\edutalk-api\vendor\laravel\framework\src\Illuminate\Database\Query\Grammars\MySqlGrammar.php:9 Stack trace: #0 {main} thrown in G:\projects\edutalk-api\vendor\laravel\framework\src\Illuminate\Database\Query\Grammars\MySqlGrammar.php on line 9