librewolf, fork of firefox, latest version

f12 menu lists this:

Loading failed for the <script> with source “https://global.ketchcdn.com/web/v2/config/ngrok/ngrok_ketch_...”. prompt-caching:1:356 Response { status: 404, type: "default", url: "", redirected: false, ok: false, statusText: "Not Found", headers: Headers(1), body: ReadableStream, bodyUsed: false }

React Router caught the following error during render entry.client-BTJ7ChVH.js:8:64676 Response { status: 404, type: "default", url: "", redirected: false, ok: false, statusText: "Not Found", headers: Headers(1), body: ReadableStream, bodyUsed: false }

Uncaught Error: Minified React error #520; visit https://react.dev/errors/520 for the full message or use the non-minified dev environment for full errors and additional helpful warnings. chunk-G3INQAYP-D7BZozYw.js:4:2490 Rm https://frontend-blog-ngrok.vercel.app/assets/entry.client-B... mu https://frontend-blog-ngrok.vercel.app/assets/entry.client-B... Lm https://frontend-blog-ngrok.vercel.app/assets/entry.client-B... t1 https://frontend-blog-ngrok.vercel.app/assets/entry.client-B... A1 https://frontend-blog-ngrok.vercel.app/assets/entry.client-B... Ba https://frontend-blog-ngrok.vercel.app/assets/entry.client-B... Caused by: Response { … }