That sounds as a hardware glitch. If you haven't already, can you please try:
sudo apt install --reinstall ibus-data and let us know if it helps. ** Changed in: ibus (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888092 Title: package ibus-data 1.5.22-2ubuntu2 failed to install/upgrade: unable to make backup link of './usr/share/ibus/dicts/emoji-af.dict' before installing new version: Input/output error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ibus/+bug/1888092/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs