Install in qt4-embedded in Beagle Bone Black

in beagle bone black

opkg install qt4-embedded --force-depends
Installing qt4-embedded (4.8.1-r50.1.2) to root…
Downloading http://feeds.angstrom-distribution.org/feeds/v2012.12/ipk/eglibc/armv7a-vfp-neon/base/qt4-embedded_4.8.1-r50.1.2_armv7a-vfp-neon.ipk.
wget: bad address ‘feeds.angstrom-distribution.org
Collected errors:

how can i resolve that?

Just do what it is suggesting first:
opkg update
Then,
opkg install qt4-embedded --force-depends