[Q] help!!! stock in clockworkmod recovery can;t reboot topic

i'm trying to flash my google nexus 7 2012 with the custo rom bs harmony_grouper 1.11.14zip now when in installing this message appears set_meadata_recursive: some changes failed E:error in sdcard/obb/bs_harmony_grouper_1.11.14.zip (status 7) installation aborted pls help me guys!!!!!:(:(