Fatal error: Call to undefined function filter_xss() in /home/fpcn/public_html/drupal/includes/common.inc on line 655

Warning: MySQL server has gone away query: UPDATE fpcn_sessions SET uid = 0, cache = 0, hostname = '38.107.179.214', session = 'uc_referer_uri|s:44:\"http://www.fpcn-global.org/node/61/backlinks\";', timestamp = 1337831701 WHERE sid = '41448a0dc8e231979cb14309b22fc8d2' in /home/fpcn/public_html/drupal/includes/database.mysqli.inc on line 134