Warning: Trying to access array offset on value of type null in /var/www/vhosts/epin.codedemo.com.tr/httpdocs/app/Views/user_profile.php on line 21

Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/vhosts/epin.codedemo.com.tr/httpdocs/app/Views/user_profile.php on line 21

Warning: Undefined variable $userModel in /var/www/vhosts/epin.codedemo.com.tr/httpdocs/app/Views/user_profile.php on line 22

Fatal error: Uncaught Error: Call to a member function isOnline() on null in /var/www/vhosts/epin.codedemo.com.tr/httpdocs/app/Views/user_profile.php:22 Stack trace: #0 /var/www/vhosts/epin.codedemo.com.tr/httpdocs/app/Core/Controller.php(10): require() #1 /var/www/vhosts/epin.codedemo.com.tr/httpdocs/app/Controllers/UserProfile.php(54): App\Core\Controller->view() #2 [internal function]: App\Controllers\UserProfile->viewProfile() #3 /var/www/vhosts/epin.codedemo.com.tr/httpdocs/app/Core/Router.php(63): call_user_func_array() #4 /var/www/vhosts/epin.codedemo.com.tr/httpdocs/index.php(229): App\Core\Router->dispatch() #5 {main} thrown in /var/www/vhosts/epin.codedemo.com.tr/httpdocs/app/Views/user_profile.php on line 22