I would like to know why it stop maturating on block 12325 in the official pool

121325 2 to go   15945047754   fe0a014a916f25830d098c81d4a70b766c7d7e841c451176e2992f3284d07805 8/22/2018, 7:47:18 PM -56%


It happened as show above by 7.47 pm on 08/22/2018 and so far nobody give me any response, I opened support ticket , but nothing, maybe the info can help