Fatal error: Uncaught ValueError: session_module_name(): Argument #1 ($module) cannot be "user" in C:\xampp\htdocs\php\pear\adodb\session\adodb-session2.php:465 Stack trace: #0 C:\xampp\htdocs\php\pear\adodb\session\adodb-session2.php(465): session_module_name('user') #1 C:\xampp\htdocs\php\pear\adodb\session\adodb-session2.php(934): ADODB_Session::_init() #2 C:\xampp\htdocs\php\pear\adodb\session\adodb-cryptsession2.php(20): require_once('C:\\xampp\\htdocs...') #3 {main} thrown in C:\xampp\htdocs\php\pear\adodb\session\adodb-session2.php on line 465