hello everyone, i did bevy of stupid things tonight, here's full rundown: tonight, planned install virtuemart 2.9.8 on live site. didn't take full backup first, assuming incremental backups working(they weren't; test backups). first, applied update joomla go joomla 3.2.4 joomla 3.3.1. did testing , working fine. proceeded download virtuemart2.9.8_joomla_2.5.22-stable-full_package.zip test site , went extension manager , uploaded , installed zip. once did this, site , end inaccessible. the main page , subpages show: error: 500 - unknown column 'a.title_alias' in 'field list' sql=select a.id, a.title, a.alias, a.title_alias, a.introtext, a.language, a.checked_out, a.checked_out_time, a.catid, a.created, a.created_by, a.created_by_alias, case when a.modified = 0 a.created else a.modified end modified, a.modified_by, uam.name modified_by_name,case when a.publish_up = 0 a.created else a.publish_up end publish_up,a.publish_down, a.images, a.urls, a.attribs, a.meta...