Alcatel V529 unlock issue

Hi guys, anyone knows if V529 is supported?
The Sigma website shows this model supports FRP remove & unlock!
Pls help check below log, is it server issue or anything else?


SigmaKey v.2.33.04 build 02
630973644 Sigma dongle 2.33, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2019-08-02 12:10:25 ---------
SigmaKey 2.33.04b2 MTK: Direct unlock (Vodafone V529)
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 V529
Hardware IMEI: 352062100502784
Unlocking phone...
Unhandled exception C0000005 [0100D978]