Network admin don't work after update to 1.9.8.1

Same thing. It shows me:

Fatal error: Call to undefined function wp_get_current_user() in /home/…/public_html/wp-includes/capabilities.php on line 1281

Yep. Fatal error on wp-admin/network/*.php

Hi,

Thank you for bringing this to our attention. We have made note of the issue and will take a look at including a fix for it in an upcoming release soon.