Numeric Collaborative tags causing Photos app to error when using 'Tagged Photos' view

Nextcloud version 21.0.2
Operating system and version Ubuntu 20.04, Server & Client
Apache Apache/2.4.41 (Ubuntu)
PHP version 7.4.3

Hi, first time poster here, if I’m posting in the wrong place let me know!

When a collaborative tag is created that is entirely numeric, for example, the year 1997, and that tag is then applied to any photos, it will cause the photos app to error when viewing the ‘Tagged Photos’ view.
I look after two Nextcloud servers, both the same version of Nextcloud, and am seeing this behavior on both servers, across multiple clients/browsers.

Is this the first time you’ve seen this error? Y

Steps to replicate it:

  1. Create numeric collaborative tag
  2. Apply tag to photo
  3. View photos app, switch to ‘Tagged Photos’ view

I’m not seeing any errors in the nextcloud web log.

I’m happy to post other logs if needed.