**List of steps to reproduce** (step by step, including full links if applicable):
* https://commons.wikimedia.beta.wmflabs.org/wiki/Special:NewFiles
* https://en.wikipedia.beta.wmflabs.org/wiki/Bert
**What happens?**:
Commons:
`
Error
Our servers are currently under maintenance or experiencing a technical problem. Please try again in a few minutes.
See the error message at the bottom of this page for more information.
If you report this error to the Wikimedia System Administrators, please include the details below.
Request from - via deployment-cache-text06.deployment-prep.eqiad.wmflabs, ATS/8.0.8
Error: 502, Next Hop Connection Failed at 2022-01-31 14:58:54 GMT
`
Bert:
`
Error
Our servers are currently under maintenance or experiencing a technical problem. Please try again in a few minutes.
See the error message at the bottom of this page for more information.
If you report this error to the Wikimedia System Administrators, please include the details below.
Request from - via deployment-cache-text06.deployment-prep.eqiad.wmflabs, ATS/8.0.8
Error: 502, Next Hop Connection Failed at 2022-01-31 15:00:44 GMT
`
**What should have happened instead?**:
200