Live Worker Status error

I'm connecting 5 Antminer D3 on prohashing. Before the maintenance, everything was okay, I could see each miner on Live status. But now, it's keep showing "undefined ... (5)". I don't change any config on my device. Any help?
Additional, live balances work fine. I'm still earning coin.
P/s: English is not my main, sorry if I'm wrong

Me too.... i would not worry too much about it.

3Moose wrote:Me too.... i would not worry too much about it.

So, It's not about rigs problem, maybe. Hope they fix it soon, I don't like this "undefined"

undefined
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I receive messages on the mail, every hour or less (enabled notification - Minimum allowed value 0MH/s)
"Actual value 0.0000000000000000 MH/s"
+
the number of coins mined decreased by 10%

alexis97 wrote:undefined
+
I receive messages on the mail, every hour or less (enabled notification - Minimum allowed value 0MH/s)
"Actual value 0.0000000000000000 MH/s"
+
the number of coins mined decreased by 10%

We're looking into the issue today and will get back to people with more information.

We confirmed that the amount of money being paid out is accurate. These are display issues only, so you can continue mining and ignore the issue until we are able to resolve it.

alexis97 wrote:undefined
+
I receive messages on the mail, every hour or less (enabled notification - Minimum allowed value 0MH/s)
"Actual value 0.0000000000000000 MH/s"
+
the number of coins mined decreased by 10%

There was a 10% scrypt network difficulty increase(like there typically is every 3rd day) the day the pool was offline for upgrades.
I would guess the earnings dipping 10% on scrypt might have have some impact on the value of x-11 mining as well.