problem with todays 2.3.7-cvs

[Devin Atencio]

I updated my source today and now when I try to login I get the error
message:
What do i need to do? Sorry about the previous blank message.

Warning: Use of undefined constant HORDE_BASE - assumed 'HORDE_BASE' in
/usr/samba/web/utahdjs/horde/imp/lib/base.php on line 23

Fatal error: Failed opening required 'HORDE_BASE/lib/Horde.php'
(include_path='.:/usr/local/lib/php') in
/usr/samba/web/utahdjs/horde/imp/lib/base.php on line 23