Sorry, i was wrong. I now see you have a HM2014817 device. Then you need the wt88047 TWRP. But you have flashed the wrong rom. That is why i was wrong with the TWRP. You need this rom:
xiaomi.eu_multi_HM2XWCPro_V8.2.1.0.LHJCNDL_v8-5.1.zip(https://www.androidfilehost.com/?fid=529152257862709975).