You receive an error containing something exactly or similar to, ServerConnectionOtherException.
The error usually contains the following as well, "An unexpected error happened while communicating with the server, see logs for more info."
This is a generic communication error resulting from a connection failure. Please open a ticket with PDQ.com’s Solutions team, firstname.lastname@example.org.
Solutions will request additional information and assist in troubleshooting the issue. The process will also help refine the error to be more specific and helpful in the future.