Steps to replicate the issue (include links if applicable):
- go to https://meta.wikimedia.org/w/index.php?title=Special:AllEvents
- click one of the numbers on the navigation bar
What happens?:
- an error "There are problems with some of your input" appears
What should have happened instead?:
Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
Other information (browser name/version, screenshots, etc.):