Add check for null env and attempt to recover

app/Console/Commands/Install.php

@@ -79,7 +79,6 @@ class Install extends Command
            $this->info('>> Configuring application - We\'re going to ask a few questions here!');
            do
            {
-               $this->call('config:clear');
                $this->info('== Database Settings (1/6) ==');
 
                $settings['DB_USERNAME'] = $this->ask('Database username');
@@ -116,7 +115,6 @@ class Install extends Command
                   'value' => $value
               ]);
            }
-           $this->call('config:cache');
 
            $this->info('>> Saved configuration settings!');
            $this->info('>> Preparing database...');