Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/netrino/domains/netrino.edu.gr/public_html/eclass/modules/auth/formuser.php:199 Stack trace: #0 {main} thrown in /home/netrino/domains/netrino.edu.gr/public_html/eclass/modules/auth/formuser.php on line 199