When either

 

creating a new user in the front end using the K2 login module - click on 'register' once all details are complete.

 

Creating a new user in the back end

 

this error message appears

 

"Fatal error: Class 'Zend_Cache' not found in /hermes/bosweb/webxxx/xxxxx/xxx.xxxxxxxx/public_html/domain/components/com_community/libraries/core.php on line 305"

 

any ideas? i asked my hosting company, whos amazing response was

 

"I regret, our support of Joomla does not cover issues resulting from the use of third-party extensions such as this. You should contact the manufacturer or supplier of the module for help with their product, but based on the error message, it appears that it may not be compatible with our shared hosting environment. I am sorry for any inconvenience that this may cause."