can`t make install

Hello,

 
I have problem with installing, here is the error:

 
chgrp `id -g hobit` y/data/rrd

BBHOME="y/server" MANROOT="y" INSTALLROOT="" INSTALLBINDIR="y/server/bin"
INSTALLETCDIR="y/server/etc" INSTALLEXTDIR="y/server/ext"
INSTALLTMPDIR="y/server/tmp" INSTALLWEBDIR="y/server/web"
INSTALLWWWDIR="y/server/www" make -C common install

make[1]: Entering directory `/root/hobbit-4.2.0/common'

cp -fp bbhostgrep bbhostshow bbdigest bb bbcmd hobbitlaunch y/server/bin/

cp: target `y/server/bin/' is not a directory

make[1]: *** [install-bin] Error 1

make[1]: Leaving directory `/root/hobbit-4.2.0/common'

make: *** [install-common] Error 2

 
Best regards.