Error when installing Android

I am trying to install Android OS on BPI-M4 as mentioned in the document.

Instead of this: C1:80000000 C2 ?_? d/g/r>

I am getting following error:

C1:80000000 C2 ? *? C3hUDA get hwsetting fail: BOOT1 Rescue… Fail to get hwsetting at BOOT1 rescue mode(0x00000015) 00000015 C1:80000000 C2 ?* ?uu3-1