pkg_add php5 error

[dekdar morlor]

# pkg_add php5-core-5.2.5p2.tgz
Can't install libxml-2.6.30 because of conflicts (partial-libxml-2.6.30)
Error from
http://openbsd.mirrors.pair.com/4.3/packages/i386/libxml-2.6.30.tgz:
ftp: Writing -: Broken pipe
/usr/sbin/pkg_add: libxml-2.6.30:Fatal error
help me please..
dekdar