My front end is empty. k2 item, k2 categories or user view nothing in front end. but some time ago all was well. i cant understand what happened. All is well in back end.It also appears in the home page published with News Show SP2 module by joomshaper.com. Can any one please help me solving this problem?

Did you change your template?? What did you do before your items disappear from your homepage? Changed menu items ??