Wrong file access permissions for folder cfg, its content and folders products_pictures, templates_c (or these folers does not exist). Please set (enable) write permissions for these folders and files to make them rewritable.
Warning: file_exists() [function.file-exists]: open_basedir restriction in effect. File(/usr/share/pear/./templates/tmpl1//./templates/tmpl1/index.tpl.html) is not within the allowed path(s): (/home/virtualhosts/:/tmp/:/home/freehost/phpmyadmin/:/home/freehost/banned:/home/freehost/inactiv:/home/freehost/traffic:/home/freehost/cron) in /home/virtualhosts/aa.agentimobiliar.com/smarty/core/core.get_include_path.php on line 34

Warning: file_exists() [function.file-exists]: open_basedir restriction in effect. File(/usr/share/php/./templates/tmpl1//./templates/tmpl1/index.tpl.html) is not within the allowed path(s): (/home/virtualhosts/:/tmp/:/home/freehost/phpmyadmin/:/home/freehost/banned:/home/freehost/inactiv:/home/freehost/traffic:/home/freehost/cron) in /home/virtualhosts/aa.agentimobiliar.com/smarty/core/core.get_include_path.php on line 34

Fatal error: Smarty error: unable to write to $compile_dir '/home/virtualhosts/aa.agentimobiliar.com/templates_c'. Be sure $compile_dir is writable by the web server user. in /home/virtualhosts/aa.agentimobiliar.com/smarty/smarty.class.php on line 1144