Thank you for your response.
I did well wipe data and cache, before installing the rom. on the 1st try, I was able to install the rom, but when booting on the xiaomi.eu rom, it started on another twrp.
which twrp is more stable, 3.4.2B-1206 or TWRP 3.4.0 (LittleTurtle2333) ??
thank you