We are receiving reports of "500 internal server error issues" with several external services 

We believe this is linked to a CloudFlare issue which is out of our control https://www.cloudflarestatus.com/

We are currently seeing issues with Yorsearch (the Library catalogue) and access to e-resources. Other services such as Reading Lists and the VLE may also be impacted.

Cloudflare services have returned to normal and we are seeing UoY services return.

We will continue to monitor the issue.

The Cloudflare issues which were impacting Library services have now been resolved.