LDN-L01 8.0.0.107(C02) Preparing...Data retention error

SigmaKey v.2.29.17
Sigma dongle 2.29, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2019-02-05 10:19:22 ---------
SigmaKey 2.29.17 HiSi: Remove FRP / Huawei ID
Phone model: LDN-L01
Version: LDN-L01 8.0.0.107(C02)
Preparing...Data retention error