I'm unable to sync. Is anybody else having this problem?
2018-Jan-20 21:08:59.268791 INFO    SYNCHRONIZATION started
2018-Jan-20 21:09:01.101598 INFO    Block with id: 197ee8147ea9f9a9af7a743602ace0fa852a2da36b766b2f2803714fc5ed1f25
2018-Jan-20 21:09:01.101598 INFO     for alternative chain, have not enough proof of work: f6c7ba98576dff27e3990c4a650ad3fbdd988a7c05e42f588f596b8ad3000000
2018-Jan-20 21:09:01.101598 INFO     expected difficulty: 37188142
2018-Jan-20 21:09:01.524935 INFO    Block with id: 197ee8147ea9f9a9af7a743602ace0fa852a2da36b766b2f2803714fc5ed1f25
2018-Jan-20 21:09:01.524935 INFO     for alternative chain, have not enough proof of work: f6c7ba98576dff27e3990c4a650ad3fbdd988a7c05e42f588f596b8ad3000000
2018-Jan-20 21:09:01.524935 INFO     expected difficulty: 37188142
2018-Jan-20 21:09:02.650091 INFO    Block with id: 197ee8147ea9f9a9af7a743602ace0fa852a2da36b766b2f2803714fc5ed1f25
2018-Jan-20 21:09:02.650091 INFO     for alternative chain, have not enough proof of work: f6c7ba98576dff27e3990c4a650ad3fbdd988a7c05e42f588f596b8ad3000000
2018-Jan-20 21:09:02.650091 INFO     expected difficulty: 37188142
2018-Jan-20 21:09:03.759229 INFO    [37.228.236.110:18299 INC] Sync data returned unknown top block: 94184 -> 108715 [14531 blocks (20 days) behind]