Problem: After install Drupal 8, and install Drush for that Drupal 8 instance. The error below occur after running drush cr Solution: sudo mkdir /var/mysql cd /var/mysql sudo ln -s /Applications/XAMPP/xamppfiles/var/mysql/mysql.sock Related Issue: https://blog.kylehuynh.com/sqlstatehy000-2002-no-such-file-or-directory/