bitrix включить debug сайта

https://dev.1c-bitrix.ru/learning/course/index.php?COURSE_ID=43&LESSON_ID=2795

# vi /home/bitrix/www/bitrix/php_interface/dbconn.php

$DBDebug = true;
$DBDebugToFile = true;


# vi /home/bitrix/www/bitrix/.settings.php

  'exception_handling' => array (
    'value' => array (
      'debug' => true,
      'handled_errors_types' => E_ALL & ~E_NOTICE & ~E_STRICT & ~E_USER_NOTICE,
      'exception_errors_types' => E_ALL & ~E_NOTICE & ~E_WARNING & ~E_STRICT & ~E_USER_WARNING & ~E_USER_NOTICE & ~E_COMPILE_WARNING & ~E_DEPRECATED,
      'ignore_silence' => false,
      'assertion_throws_exception' => true,
      'assertion_error_type' => 256,
      'log' => array (
        'settings' => array (
          'file' => 'bitrix/modules/error.log',
          'log_size' => 1000000,
        ),
      ),
    ),
    'readonly' => false,
  ),