Cause :
Disk space could be running out.
Fix.
Review disk space, investigate SQL server health status.
You need to create a firewall rule on windows server and Client.
https://support.na.sage.com/selfservice/viewContent.do?externalId=83169&sliceId=1
https://www.youtube.com/watch?v=3Eyva0OG2tc&ab_channel=SoftSolution
*Community Hub is the new name for Sage City