Error 3 on the TWRP

[DemGens]

I can not find where to find what Error 3 means in TWRP with firmware?
TWRP last, I put the firmware clean (with wipes and date format (via yes)).

 

[Viselu]

I can not find where to find what Error 3 means in TWRP with firmware?
TWRP last, I put the firmware clean (with wipes and date format (via yes)).

What is Error 3? What it shows during the installation?

 

[DemGens]

Thanks, the problem was solved by the author of the firmware.