What is the meaning of this error msg ?

Hello to all,

Today i got MMX A106 dead set in my hand. And i try to FFS the set but log show this error


Action : Format UserData.
Selected 0-By CPU:MT6571_EMMC
Exe version: Avengers Box MTK 0.3.2
Reinsert phone battery.
Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now…
Detected : MediaTek USB Port (COM32)
Phone detected…Please wait
Sending DA agent, please wait…
Connect error[5054]: An error occurs might be the following reasons:
1. There does not exist the MTK_ROM_INFO structure in the ROM;
2. There does not exist the MTK_BLOADER_INFO structure in the boot-loader;
3. It is not NFB-booting;

Boot Fail.!!!.
All done.

What is the meaning of this log ? Set is only normal dead not a water entry.