Hi, been mining away happily for nearly a week, now seeing : There is a problem fetching system stats (Internal error) tried restart message still the same.

2.47 Th/s
Current hashrate
15 Min Avg: 2.47 Th/s
158 Watt
Miner power usage
Watts per TH/s: 64
0.4%
Hardware errors
Rejected: 3
2 hours
Miner uptime
Last share: a few seconds ago
Hashboards
Status   ID   Hashrate   Temp   Fan Speed   Power   Voltage   Error   Active ASICs
Active
HASHBOARD #0
 2.47 Th/s
60°c   1738 rpm   158 W   8.09 v   0.4%   44

Any clues please?

Thanks in advance :-)