The problem You created a new CakePHP application and you try to visit its homepage. You get a database error. Missing Database Connection Cake\Database\Exception\MissingConnectionException Connection to Sqlite could not be established: SQLSTATE[HY000] [14] unable to open database file The (potential) reason Check your composer.json and see if your application uses cakephp/debug_kit: “require-dev”: { … “cakephp/debug_kit”:… Continue reading Connection to Sqlite not established, unable to open database file