https://www.drupal.org/project/bootstrap_barrio/issues/2945514
Bootstrap library not loaded when activating subtheme [#2945514] | Drupal.org
Nov 28, 2018 - How to reproduce the problem: 1. Install Barrio theme using Drupal 8.x UI 2. Set as default Bootstrap Barrio 8.x-4.7 theme, you site will styled via Bootstrap...
bootstraplibraryloadedactivatingdrupal