10000CMS V2.1 Error Warning!

Error page: /web/index.php?classid=23&id=55&lanstr=ar&topclassid=3
Error infos: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and lanstr='ar'' at line 1
Error sql: select * from alz_class where lanid= and lanstr='ar'
Warning: date() expects parameter 2 to be long, string given in /www/wwwroot/mapesen.com/web/include/article.class.php on line 303