Quest text bugs

The following warnings occurred:

Warning [2] Undefined variable $captcha - Line: 15 - File: global.php(587) : eval()'d code PHP 8.2.24 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/global.php(587) : eval()'d code	15	errorHandler->error_callback
/global.php	587	eval
/showthread.php	28	require_once

Warning [2] Undefined variable $redirect_url - Line: 21 - File: global.php(587) : eval()'d code PHP 8.2.24 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/global.php(587) : eval()'d code	21	errorHandler->error_callback
/global.php	587	eval
/showthread.php	28	require_once