Vfd527 unlock fail

Unlock4samsung Monday, September 9, 2019

SigmaKey v.2.33.06
XXXXXXXXXXXSigma dongle 2.33, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2019-09-09 15:05:48 ---------
SigmaKey 2.33.06 MTK: Direct unlock (Vodafone V528)
Removing firmware protection...OK
Baseband Processor:MT6739, HW Rev. B.00, SW Rev. 0.02
Testing external RAM...DRAM, 1 Gb
Detecting flash...eMMC, Flash size: 7.29 Gb
Phone model: Vodafone V528
Hardware IMEI: 352060101246583
Unlocking phone...
Unhandled exception C0000005 [004AEBB7]

Any ideas?