Same problem for me too.
A workaround for me is:
sudo mysql_install_db --user=mysql --basedir=/usr/ --ldata=/var/lib/mysql/
Source from https://wiki.archlinux.org/index.php/MySQL#Installation
Same problem for me too.
A workaround for me is:
sudo mysql_install_db --user=mysql --basedir=/usr/ --ldata= /var/lib/ mysql/
Source from https:/ /wiki.archlinux .org/index. php/MySQL# Installation