Alcatetl REVVL 2 Unlock error

Using library Brom_DLL_v7.1813.3
Searching phone in normal mode;
[connect the phone powered off to the usb cable]
Phone detected (MediaTek USB Port_V1632 (COM68))
Preparing to start flash mode;
Preparing to open COM68
Requesting authorization;
Connecting;
Downloading DA;
Initializing;
Rid: 99affbac938aee2cf5b78ee81a42a216
Requesting baudrate change;
Done;
USB SPEED: USB_HIGH_SPEED
DEVICE INFO:
BB CHIP: MT6739 [CB00, 02, 6739, 00]
HW_STORAGE_EMMC: 0x51000115 0x4D333158 0x0BE00742 0x516585DE [SIZE=0x748800000]
IMEI1 [OTP 0001]: 015246-00-204119-4
IMEI2 [OTP 0001]: 000000-00-000000-0
PROVIDER: 5052W-2ATBUSE
USRDATA INFO: 0x133800000 SIZE: 0x6108FBE00



Searching data;
Checking server support license;
Bruteforcing ... relax ;-)
Buteforce took 00:00:00
ERROR: NUCC ERROR !
ERROR: TMO_SIMLOCK_REMOVE failed;

Time needed - 00:00:02

Log file saved to: LOG_6_06_2019_12_31_28.txt