If this happens you have to login to your database manager and execute this query
UPDATE `lh_chat_config` SET `value` = 'a:4:{i:0;b:0;s:8:"site_key";s:0:"";s:10:"secret_key";s:0:"";s:7:"enabled";i:0;}' WHERE `identifier` = 'recaptcha_data'
If you still cannot login disable cache https://livehelperchat.com/how-to-enable-cache-71a.html
Developing application takes a lot of time. You can support application by donating. There is no company behind this application and it takes away my free time. Every donation matters and does not matter how small it is!
