а на страницах сайта :Целиком текст ошибки можете выложить?
Ошибка в запросе БД:
Unknown column 'i.is_deleted' in 'where clause'
SELECT COUNT(i.id) as count
FROM cms_users_messages i
WHERE (i.to_id = '1') AND (i.is_new = '1') AND (i.is_deleted IS NULL)
Последние вызовы:
getCount() @ /home/site/web/site/public_html/system/controllers/messages/model.php: 333
getNewMessagesCount() @ /home/site/web/site/public_html/system/controllers/messages/hooks/menu_messages.php: 15
run()
call_user_func_array() @ /home/site/web/site/public_html/system/core/controller.php: 463
runExternalHook() @ /home/site/web/site/public_html/system/core/controller.php: 425
runHook() @ /home/site/web/site/public_html/system/core/eventsmanager.php: 31
hook() @ /home/site/web/site/public_html/system/controllers/menu/model.php: 185
buildMenu() @ /home/site/web/site/public_html/system/core/template.php: 241
loadMenus() @ /home/site/web/site/public_html/system/core/template.php: 263
menu() @ /home/site/web/site/public_html/templates/default/controllers/users/widgets/avatar/avatar.tpl.php: 19
include() @ /home/site/web/site/public_html/system/core/template.php: 1602