Check for the existence of an hserver.db file and that the permissions are correct.

If the hserver.db does not exist, try manually creating it and the folder path.

If the hserver.db exists, try removing and re-creating it.

Windows

C:\ProgramData\SideFX\storage\hserver.db

Linux

$HOME/.local/share/sidefx/storage/hserver.db

Mac

$HOME/Library/Application Support/sidefx/storage/hserver.db