pkg_add errors

[-f <f@obiit.org>]

hi there,

i have rencently upgraded to current 
(OpenBSD 3.6-current (GENERIC) #153: Sun Nov 28 07:43:55 MST 2004)
and i got this error:

amaaq> set | grep PKG_PATH
PKG_PATH=ftp://ftp.openbsd.org/pub/OpenBSD/snapshots/packages/i386

amaaq> sudo pkg_add grip-3.0.7.tgz
grip-3.0.7:id3lib-3.8.3: complete                                            
grip-3.0.7:libghttp-1.0.9: complete                                          
grip-3.0.7:libaudiofile-0.2.6: complete                                      
grip-3.0.7:esound-0.2.34: complete                                           
grip-3.0.7:gnome-libs-1.4.2p0: complete                                      
Use of uninitialized value in string ne at /usr/libdata/perl5/OpenBSD/Add.pm line 314.
Error: archive does not match !=bin/grip
 at /usr/libdata/perl5/OpenBSD/Add.pm line 314
grip-3.0.7: complete                                                         
Installation of grip-3.0.7 failed, partial installation recorded as borked.1 at /usr/libdata/perl5/OpenBSD/Add.pm line 138

is this because my current is already old?
because the snapshots packages are already different format?
-- 
in the country of the blind, the one-eyed man is king.