blank screen on CI

[eluser]davy_yg[/eluser]
Do you have this setting in your index.php (root directory): - yes

define('ENVIRONMENT', 'development'); // to set: error_reporting(E_ALL);

and this in application/your config/config.php ? - yes

but not: $config['log_threshold'] = 1;

I have this: $config['log_threshold'] = 0;