Le pro3 - TWRP can't mount Data or OTG

Le pro3 - TWRP can't mount Data or OTG
4.0 1

I’ve installed MK81.0-zl1-190515-RELEASE on my Le Pro3 x720 and everything is fine, except when I reboot into recovery, where I am unable to make nandroid backup because both Internal Storage and OTG are seen as 0MB. If I format Data parition everything seems ok until I reboot to system and after going through initial setup and rebot to recovery again Internal storage and OTG can’t be mounted/accessed. I made sure to not use encryption in Mokee, does Android Oreo itself encrypt data in some way so TWRP can’t access it?
What is recommended TWRP version for Mokee 8.1 (I have 3.2.1-0)?