用ImageBuilder编译固件的时候报错，请大家看看

gnz***

Configuring uhttpd-mod-ubus.
Configuring luci.
Configuring ppp-mod-pppoe.
Configuring kmod-ledtrig-netdev.
rm -f /home/mon/OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64/build_dir/target-mips_34kc_uClibc-0.9.33.2/root-ar71xx/usr/lib/opkg/lists/*
make[2]: Leaving directory `/home/mon/OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64'
make copy_files
make[2]: Entering directory `/home/mon/OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64'

Copying extra files
cp: cannot stat 'tmp//*': No such file or directory
make[2]: *** [copy_files] Error 1
make[2]: Leaving directory `/home/mon/OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64'
make[1]: *** [_call_image] Error 2
make[1]: Leaving directory `/home/mon/OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64'
make: *** [image] 错误 2


这问题困扰我很长时间了，请大家帮忙看看，谢谢
root@mon-VirtualBox:/home/mon/OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64#

99***

OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64需要在64位的linux系统上运行。