Steps to reproduce
- Visit https://en.wikipedia.beta.wmflabs.org/wiki/Dog?debug=1 anonymously
- Open the browser's developer console
Environments observed
- Browser version: Mozilla Firefox 80.0.1
- OS version: Ubuntu v20.04.1 LTS
- Device model: Desktop
- Device language: English
Stack trace
Console output
Uncaught TypeError: mw.config is not a function <anonymous> https://en.wikipedia.beta.wmflabs.org/w/extensions/WikimediaEvents/modules/ext.wikimediaEvents/sessionTick.js?2a551:190 <anonymous> https://en.wikipedia.beta.wmflabs.org/w/extensions/WikimediaEvents/modules/ext.wikimediaEvents/sessionTick.js?2a551:204 sessionTick.js:190:10 <anonymous> https://en.wikipedia.beta.wmflabs.org/w/extensions/WikimediaEvents/modules/ext.wikimediaEvents/sessionTick.js?2a551:190 <anonymous> https://en.wikipedia.beta.wmflabs.org/w/extensions/WikimediaEvents/modules/ext.wikimediaEvents/sessionTick.js?2a551:204