8.3 Fatal Error if debuging is active function getLevel() not found

modules\Vtiger\helpers\Logger.php `class MonologLoggerEx extends MonologLogger { function fatal($message, $context = array()) { this->error(message, $context); } function isDebugEnabled() { debugLevel = true; foreach (this->getHandlers() as handler) { if (handler->getLevel() == static::DEBUG) { $debugLevel = true; break; } }

    return $debugLevel;
}

}`