https://www.drupal.org/project/bootstrap/issues/3188251
Cannot read property 'html' of undefined [#3188251] | Drupal.org
Sep 28, 2021 - Problem/Motivation After I upgrade to D9.1 I have: Uncaught TypeError: Cannot read property 'html' of undefined at Drupal.tableDrag.displayColumns...
cannotreadpropertyhtmlundefined