http://www.silverstripe.com/bugs/ http://www.silverstripe.com/bugs/show/30502 After install the forum reports this error as soon I try to view the post and I can not access the back adminstration backend unles I delete the forum module here es the error I get on dev mod... <br />Debug (Debug::showError() in line 149 of Debug.php) <br /> * msg = Couldn't run query: SELECT `Post`.*, `Post`.ID, if(`Post`.ClassName,`Post`.ClassName,'Post') AS RecordClassName FROM `Post` INNER JOIN `Post` AS PostList ON PostList.TopicID = `Post`.TopicID WHERE (`Post`.ForumID = 14 and `Post`.ParentID = 0 and `Post`.Status = 'Moderated') GROUP BY `Post`.ID ORDER BY max(PostList.Created) DESC LIMIT 30 | Invalid use of group function <br /> * errorLevel = 256 <br /> <br />This is my settings <br />Shared hosting <br />computinghost.com <br /> <br />MySQL 4.1.22 <br />Apache/1.3.39 (Unix) <br />PHP/5.2.5 <br><br>Posted to: post error on Forum Thu, 31 Jan 2008 16:07:49 +1300 Fred http://www.silverstripe.com/bugs/show/30502