Got Fatal error after upgrade

[mastdunya.com]

Hello, every one i got this error after upgrade to v 5.0.4 how i can fix this please help me thanks

Fatal error: Call to a member function isAdministrator() on a non-object in /home/mast1450/public_html/forum/core/vb/api/state.php on line 229

and after turn on my site with tools.php i got this error

Fatal error: Call to a member function fetch_userinfo_value() on a non-object in /home/mast1450/public_html/forum/core/vb/api/state.php on line 341

[Mark.B]

Fixed, I responded to your ticket.

Issue was the same one as HERE for anyone interested.

[Ben_Sherman]

Fixed, I responded to your ticket.

Issue was the same one as HERE for anyone interested.

Fixed? Since when?
So far what I know that's just a temporary soloution for the issue!

[Zachery]

Its fixed in 5.0.4.