Exit with blocks have unexpected version

Hello, I don’t know if you can see this message, there is a problem of automatically exiting.I do not know if you have encountered this problem, I hope to help me, thank you very much. The following is the log before closing

I use 0.7.0,0.7.1,0.8.0,0.8.1, when omnicore sync, cause err like UpdateTip: new best=0000000000000000000283bdb5287901adb749ecbe25923740707cc3bb767dc9 height=625027 version=0x2000e000 log2_work=91.839258 tx=519172368 d│························································································ ate='2020-04-08T20:47:31Z' progress=0.999999 cache=267.8MiB(2055789txo) warning='71 of last 100 blocks have unexpected version'

then omnicore exist, It often happens after the scan is completed, during the process of synchronizing the blocks, I do n’t understand why the client exits abnormally, and it takes a long time to scan after restarting