I have an issue when import extention to backend of knowledgeroot.
error message shows on left top of page that "cannot move to cache". snapshot as attahed.
In meantime i can't find the extension which i want to upload just now.
Kindly guide me how to solve this problem. Thanks
Ubuntu 14.04, Apache2, PHP5, Mysql, knowledgeroot 1.0.4
i set rights for cache folder as 777