Update 3/25/22: The issue has been resolved.
Update 3/23/22 11:30am: From Credo Tech Support: After a brief period of stability this morning, we are again experiencing degraded service on the Credo Reference and Source platforms. I apologize again for any inconvenience this may cause! We will send a follow-up email as soon as it is fully resolved. Update 3/23/22, 10:00am: This issue has been resolved. Credo Reference is giving users an error message when accessed on-site or remotely through a proxy. Users may see a "502 Bad Gateway" error message, or a "500 Internal Server Error" message. We are in contact with Credo Support and will update you when we have more information.