502 Error when GET Projects from API with membership
### Summary
When making a GET request to https://gitlab.com/api/v4/projects?membership=true&per_page=100&page=1 a 502 error is returned consistently. This request is failing when authenticated as @Cervajz via OAuth or Cookies in browser. This was detected from a GitLab OAuth integration, but the 502 error also occurs when @Cervajz visits the url in browser.
### Steps to reproduce
Only returns 502 when authenticated as @Cervajz. To reproduce, visit the above API url in browser.
### What is the current *bug* behavior?
502 error response
### What is the expected *correct* behavior?
200 response
### Relevant logs and/or screenshots

### Output of checks
This bug happens on GitLab.com
issue