PHPTAL error occured

exception 'PHPTAL_VariableNotFoundException' with message 'Attempt to read property '0' (in path '.../0/description') from boolean value' in /home/rasysa.current/html/www2/htdocs/style/contest/index2014.tpl.html:45
Stack trace:
#0 /usr/local/lib/php/PHPTAL/Context.php(450): PHPTAL_Context::pathError(false, '0/description', '0')
#1 /var/tmp/tpl_5e04469c_index2014_tpl__jeICbkBAjeAP1zjdIXcu6w.php(44): PHPTAL_Context::path(false, '0/description')
#2 /usr/local/lib/php/PHPTAL.php(675): tpl_5e04469c_index2014_tpl__jeICbkBAjeAP1zjdIXcu6w(Object(PHPTAL4), Object(PHPTAL_Context))
#3 /home/rasysa.current/src/php/vendor/apsalus42/Apsalus4/Display5/Phptal.cls.php(386): PHPTAL->execute()
#4 /home/rasysa.current/src/php/vendor/apsalus42/Apsalus4/Display5/Phptal.cls.php(90): Apsalus4_Display_Phptal->_phptal_exec()
#5 /home/rasysa.current/src/php/vendor/apsalus42/Apsalus4/Display.cls.php(241): Apsalus4_Display_Phptal->_getContents()
#6 /home/rasysa.current/src/php/vendor/apsalus42/Apsalus4/Controller.cls.php(773): Apsalus4_Display->show()
#7 /home/rasysa.current/src/php/vendor/apsalus42/Apsalus4/Controller.cls.php(565): Apsalus4_Controller->display()
#8 /home/rasysa.current/src/php5/package/Marasai2/Rasysa/Portal/Controller.cls.php(39): Apsalus4_Controller->action()
#9 /home/rasysa.current/html/www2/htdocs/style/contest/index.phtml(133): Marasai2_Rasysa_Portal_Controller->action()
#10 {main}
style/contest/index2014.tpl.html