Same issues here. Also it does not sync with new datadir ...
It's correct, the old one forked accepting blocks without mn payment.
The new one is refusing them, you can also see the rogue miner (using the old wallet):
2017-07-25 18:21:26 ERROR: CheckBlock() : Couldn't find masternode/budget payment
2017-07-25 18:21:26 ERROR: ProcessNewBlock: CheckBlock FAILED
2017-07-25 18:21:26 Misbehaving: 45.76.3.239:9399 (1768600 -> 1768700)
2017-07-25 18:21:26 CMasternodePayments::IsTransactionValid - Missing required payment - DKQSBS2AoSyrC52iJ1rSFKzSY6pqC12yo9 500000000
