I upgrade my XOOPS from 2.0.6 rc to 2.0.6 ,Forum bug still exits, after user post, ie stay on post.php
I turn on the php debug options, the error msg is above:

Fatal error: Cannot redeclare newbb_notify_iteminfo() (previously declared in E:\gzsz\html\modules\newbb\include\notification.inc.php:28) in e:\gzsz\html\modules\newbb\include\notification.inc.php on line 28
Notice [PHP]: Undefined index: nosmiley in file E:\gzsz\html\modules\newbb\post.php line 166
Notice [PHP]: Undefined index: icon in file E:\gzsz\html\modules\newbb\post.php line 167
Notice [PHP]: Undefined index: attachsig in file E:\gzsz\html\modules\newbb\post.php line 168