Prefect API seems unable to get to Samba shared drive

Putting an issue up here because I’ve tried all sort of things and don’t know what to do next. I’ve been able to get Prefect Agent and Server running in 5-6 environments, but when we moved to Production, Prefect doesn’t seem to be able to access any samba drives, including on the server itself. Here’s an example error message, and I haven’t been able to get any more details even when turning on debug mode and debug logging. Any help would be greatly appreciated. The API seems to be able to upload flows fine, but cannot run them, and I can’t figure out why. It’s been two days of banging my head against a wall.

What kind of environment are you running the flows in for the 5/6 environments and production?