Uncaught TypeError: toolbarElement.querySelector(...) is null in
admin_toolbar/js/admin_toolbar.toggle_shortcut.js Line 66
// Create a toggle link to hide the toolbar from the HTML string
// template and insert the toggle link as the last toolbar tab item.
toolbarElement.querySelector('#toolbar-bar').insertAdjacentHTML(
// The toolbar tab item is inserted as the last item in the toolbar.
'beforeend',
Drupal.theme.adminToolbarToggleCollapse(),
);
Needs to check, if #toolbar-bar exists.
Active
3.0
Code
Added a check for the querySelector() elements to be present.