Raw etherner fpga build error (Translate failed)

Hi list,

I git raw-ethernet fpga code from GitHub
https://github.com/EttusResearch/usrp-fpga-mirror.git”. Then I type
make bin inside u2_rev3 folder. And Translation failed with following
error:

ERROR:NgdBuild:933 - Cannot read file
‘/home/pnmyint/Project_zero/usrp-fpga-mirror/usrp2/top/u2_rev3/…/…/coregen/fifo_xlnx_512x36_2clk_18to36.ngc’.
Try recreating the file before continuing

Anyone got any suggestion?

TPT