Verify by using the various other Diagnose, if there is enough free space on System and Datapartition.
Check if your Storages are available and if there is enough free space.
The connection Settings to your Storage need to be correct (Username,Password,Domain).
If your Systempartition runs out of free Space, delete some old Protocoll Files via REDDOXX Admin Gui.
Restart the Appliance.
rdxfuzzy not running
Check the Diagnose - Fuzzy-Filter.