Admin in 3.0.4 not available

her the message from my admin site:

Dang... Something went wrong!
We tried really hard, but it's broken.
Hey wait, you're an admin! We can tell you stuff.

There's an error message below and you can find more details in gallery3/var/logs (look for the file with the most recent date on it). Stuck? Stop by the Gallery 3 Forums and ask for help. You can also look at our list of open tickets to see if the problem you're seeing has been reported. If you post a request, here's some useful information to include:
Platform information

Host name: Linux infong 2.4 #1 SMP Fri May 18 17:32:59 UTC 2012 i686 GNU/Linux
Operating system: Linux infong 2.4 #1 SMP Fri May 18 17:32:59 UTC 2012 i686 GNU/Linux Linux infong 2.4 #1 SMP Fri May 18 17:32:59 UTC 2012 i686 GNU/Linux
Apache: Unknown
PHP: 5.4.9
MySQL: 5.0.96-log
Server load: 1.91 3.3 5.57
Graphics toolkit: imagemagick

Gallery stats

Version: 3.0.4 (Ricochet)
Albums: 24
Photos: 1740

Kohana_Exception [ Framework Error ]: The requested views, admin.html, could not be found

SYSPATH/core/Kohana.php[ 810 ]
805 if ($found === NULL) 806 { 807 if ($required === TRUE) 808 { 809 // If the file is required, throw an exception 810 throw new Kohana_Exception('The requested :resource:, :file:, could not be found', array(':resource:' => __($directory), ':file:' =>$filename)); 811 } 812 else 813 { 814 // Nothing was found, return FALSE 815 $found = FALSE;

SYSPATH/libraries/View.php[ 83 ] » Kohana_Core::find_file( arguments )

SYSPATH/libraries/View.php[ 49 ] » View_Core->set_filename( arguments )

MODPATH/gallery/libraries/MY_View.php[ 62 ] » View_Core->__construct( arguments )

MODPATH/gallery/libraries/Admin_View.php[ 30 ] » View->__construct( arguments )

MODPATH/gallery/controllers/admin_dashboard.php[ 22 ] » Admin_View_Core->__construct( arguments )

{PHP internal call} » Admin_Dashboard_Controller->index()

MODPATH/gallery/controllers/admin.php[ 62 ] » call_user_func_array( arguments )

{PHP internal call} » Admin_Controller->__call( arguments )

SYSPATH/core/Kohana.php[ 331 ] » ReflectionMethod->invokeArgs( arguments )

{PHP internal call} » Kohana_Core::instance( arguments )

SYSPATH/core/Event.php[ 208 ] » call_user_func_array( arguments )

APPPATH/Bootstrap.php[ 67 ] » Event_Core::run( arguments )

DOCROOT/index.php[ 113 ] » require( arguments )

Environment
greez markus