Alcatel 5041c reading security block error

--------- 2019-05-28 23:27:17 ---------
SigmaKey 2.32.01 MTK: Direct unlock (Alcatel 5041C)
Removing firmware protection...OK
Baseband Processor:MT6739, HW Rev. B.00, SW Rev. 0.02
Testing external RAM...DRAM, 2 Gb
Detecting flash...eMMC, Flash size: 14.57 Gb
Phone model: Alcatel 5041C
Android 8.1.0
Firmware: U50A_ATT-user 8.1.0 OPM1.171019.011 v8M74-0 release-keys
Hardware IMEI: 015XXXXXXXXXX
Reading security block...File I/O operation failed