You can try KeyCAPTCHA v2.1 - it has a little bit differ integration and it should helps.
We tried to repeat such error on our server but with no result, so I cannot why there are no keycaptcha option in captcha types(
It looks like a typo. May be you have some helper extension, which case such error
I guess you should replace KeyCAPTCHA_CLASS to KeyCAPTCHACLASS in library/KeyCAPTCHA/KeyCAPTCHA.php
Our plugin was tested on xF 1.3beta and it works fine on new xF 1.3
Please open support ticket at keycaptcha.com...
If you are using KeyCAPTCHA you can use following trick:
1 Check in browser http://your_site.com/includes/KeyCAPTCHA/kc-gettime.php link - you should see your server current time.
2 Go to keycaptcha.com member area>site list>Settings>Additional and uncheck flag "Allow outgoing request" and...
KeyCAPTHCA plugin works fine with XenForo 1.2RC (just tested). You may try to uninstall/install addon. If it doesn't help, please open support ticket at keycaptcha.com
Please follow installation instruction:
If KeyCAPTCHA doesn't work on your site it may be 2 variants:
1. You didn't configure plugin in right way
2. It was manual spammers.
Please, open support ticket for investigation.
Great news!
Next week we will celebrate 3 years of our service. That is why we have a gift to our customers who registered before June 4, 2013.
The gift is a free 3-month usage of a paid KeyCAPTCHA enhancement.
So, what enhancement would you prefer?
1. Magnetic
2. M+
3. Personal
Please post...