Notice: Undefined index: HTTP_REFERER in /home/bithzuvo/public_html/includes/classes/captchaManager.class.php on line 62

Fatal error: Uncaught TypeError: Argument 1 passed to Misc::redirectTo() must be of the type string, null given, called in /home/bithzuvo/public_html/includes/classes/captchaManager.class.php on line 62 and defined in /home/bithzuvo/public_html/includes/utils/Misc.php:31 Stack trace: #0 /home/bithzuvo/public_html/includes/classes/captchaManager.class.php(62): Misc::redirectTo(NULL) #1 /home/bithzuvo/public_html/includes/classes/captchaManager.class.php(33): captchaManager->getBestCAPTCHA() #2 /home/bithzuvo/public_html/global.inc.php(100): captchaManager->getCAPTCHA() #3 /home/bithzuvo/public_html/login.php(8): unknown() #4 {main} thrown in /home/bithzuvo/public_html/includes/utils/Misc.php on line 31