HELP! P9 Lite 2017 frp error

--------- 2018-06-28 11:51:24 ---------
SigmaKey 2.28.01 HiSi: Remove FRP / Huawei ID
Phone model: DIG-L23
Version: Diego-L23C469B101
Preparing...Data retention error


Constantly failing, restarted pc, changed cable, changed ports and still getting the same error