ERROR: SQLSTATE[HY000] [1049] Unknown database 'laravel' (SQL: select * from `customers`)

I am having issues with my controller.When I try to use a controller to view my data I get the following error

"SQLSTATE[HY000] [1049] Unknown database 'laravel' (SQL: select * from >customers)"

This is my controller.php code

namespace App\Http\Controllers;

use App\customer; use Illuminate\Http\Request;

class CustomerController extends Controller { public function list(){

    $customers = Customer::all();

    dd($customers);

return view('internals.customers', [
    'customers'=> $customers,
]
); 
}

}

and this is my .env DB_CONNECTION=sqlite

Ive tried php artisan cache:clear

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