JavaScript errors after Bootstrap upgrade
After upgrading the theme, several JavaScript exceptions appear and the mobile hamburger menu stops working on Drupal 11 sites.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 3 December 2024 · last reported 3 July 2025
What's going wrong
Sites that upgrade this theme to newer releases see many JavaScript exceptions, and on Drupal 11.1 the mobile hamburger menu fails with a plugin type error from the CDN-hosted Bootstrap script.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.