Fatal error: Uncaught Exception: Invalid data file in /var/www/timer/public/Storage.php:31 Stack trace: #0 /var/www/timer/public/Storage.php(12): Storage->loadData() #1 /var/www/timer/public/index.php(9): Storage->__construct('/var/www/timer/...') #2 {main} thrown in /var/www/timer/public/Storage.php on line 31