This just a same script in different server:
The link below works. When you enter the correct characters it display success.
http://mibsolutionsllc.com/captcha%5Ftest/test.php
This link below works. Even you enter the correct characters. Display always error. The session value doesn't give function the right way.
http://www.universitywomenshealthcare.com/uwh-content/captcha%5Ftest/test.php
If it's a sessions issue, how would one go about fixing this?