Looks like wallets cant get to block 501451

2017-12-28 18:25:48 receive version message: /Satoshi:0.15.1/: version 70015, blocks=501451, us=193.70.35.157:60134, peer=2
2017-12-28 18:25:48 ERROR: AcceptBlockHeader: Consensus::ContextualCheckBlockHeader: 0000000000000000004b269ece007638e0992a83ac12210565a45d101544dae2, not-hardfork, incorrect block version (code 16)
2017-12-28 18:25:48 ERROR: invalid header received
2017-12-28 18:25:48 ProcessMessages(headers, 82 bytes) FAILED peer=2
2017-12-28 18:25:49 CreateNewBlock(): block weight: 812 txs: 0 fees: 0 sigops 400