Did not use TWRP for a longer time. Just made backup from unencrypted Lineage 16.0-20200103
with TWRP 3.3.1-1 and got following message just at the beginning of the backup:
“E:Unable to decrypt FBE device”
But it seems that backup was okay because there were no further red or negative infos.
Is there anything of importance which was not backed up?
Thanks for any info.