Help.. Lava iris 88 cant detect frp problem

HELLO avengers team help me about this error.. lava iris 88 cant detect with avengers v 0.6.1 or 0.6.2 with mt6739

i try with umt frp tools still same.. not solved

this is log with avenger mtk

Exe version: Avengers Box MTK 0.6.2
Selected model: 0-By CPU MT6739
Action: Reset Privacy
Will be used loader: MTK_AllInOne_DA_COM.bin
Reinsert phone battery.
Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now...
Detected : MediaTek PreLoader USB VCOM (Android) (COM19)
Boot mode: Preloader
Phone detected...Please wait
BBCHIP: 6739 0 ca00
Using Algo 5.
Helio MT6739 phone detected, swithing to helio api
Helio enabled DRAM in First Da: TRUE
Helio connect da error, aborting.
[SECURE BOOT]Not supported by exe or wrongly selected, aborting
If model is listed, please select correct model
If model is not listed, use custom DA from phone firmware
BBCHIP MT6739
Boot Fail.!!!.
[helio]Wait untill phone will start charging.
[0]All done.


thanks...