Install elpa-ido-ubiquitous by entering the following commands in the terminal:
sudo apt update sudo apt install elpa-ido-ubiquitous
Description:
transitional package for elpa-ido-completing-read+
This is a transitional package to ensure transition. It is obsolete and can be removed after update.
Homepage: https://github.com/DarwinAwardWinner/ido-completing-read-plus
Version: 4.7-1
Section: universe/lisp