19:15:06] [WorldGen-Worker-1/ERROR]: Something went wrong upgrading!
java.lang.ClassCastException: wo$b cannot be cast to wy
	at zf.a(SourceFile:75) ~[18w19b.jar:?]
	at xi$a.apply(SourceFile:110) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at wo.a(SourceFile:136) ~[18w19b.jar:?]
	at wo$d.b(SourceFile:85) ~[18w19b.jar:?]
	at wo.b(SourceFile:136) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:114) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at wo.a(SourceFile:136) ~[18w19b.jar:?]
	at wo$d.b(SourceFile:85) ~[18w19b.jar:?]
	at wo.b(SourceFile:136) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:114) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at wo.a(SourceFile:136) ~[18w19b.jar:?]
	at wo$d.b(SourceFile:85) ~[18w19b.jar:?]
	at wo.b(SourceFile:136) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:114) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at wo.a(SourceFile:136) ~[18w19b.jar:?]
	at wo$d.b(SourceFile:85) ~[18w19b.jar:?]
	at wo.b(SourceFile:136) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:114) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aap.a(SourceFile:47) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:103) ~[18w19b.jar:?]
	at acd.a(SourceFile:22) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:104) ~[18w19b.jar:?]
	at wo.a(SourceFile:136) ~[18w19b.jar:?]
	at wo$d.b(SourceFile:85) ~[18w19b.jar:?]
	at wo.b(SourceFile:136) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:114) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at xq$a.b(SourceFile:91) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at xq$a.b(SourceFile:91) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at xq$a.b(SourceFile:91) ~[18w19b.jar:?]
	at xq$a.a(SourceFile:83) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aao.b(SourceFile:26) ~[18w19b.jar:?]
	at aer.a(SourceFile:137) ~[18w19b.jar:?]
	at aer.a(SourceFile:128) ~[18w19b.jar:?]
	at java.util.Optional.map(Optional.java:215) ~[?:1.8.0_171]
	at aer.a(SourceFile:127) ~[18w19b.jar:?]
	at java.util.Optional.flatMap(Optional.java:241) ~[?:1.8.0_171]
	at aer.a(SourceFile:126) ~[18w19b.jar:?]
	at xm.a(SourceFile:37) ~[18w19b.jar:?]
	at xl.a(SourceFile:14) ~[18w19b.jar:?]
	at bpx.c(SourceFile:87) ~[18w19b.jar:?]
	at bpx.b(SourceFile:81) ~[18w19b.jar:?]
	at bpx.a(SourceFile:93) ~[18w19b.jar:?]
	at si.g(SourceFile:94) ~[18w19b.jar:?]
	at si.d(SourceFile:147) ~[18w19b.jar:?]
	at bvm.a(SourceFile:231) ~[18w19b.jar:?]
	at bvm.a(SourceFile:80) ~[18w19b.jar:?]
	at bxs.a(SourceFile:16) ~[18w19b.jar:?]
	at bxs.a(SourceFile:13) ~[18w19b.jar:?]
	at brp.a(SourceFile:27) ~[18w19b.jar:?]
	at bbr.a(SourceFile:516) ~[18w19b.jar:?]
	at bpc.a(SourceFile:109) ~[18w19b.jar:?]
	at sx.a(SourceFile:12) ~[18w19b.jar:?]
	at sw.a(SourceFile:33) ~[18w19b.jar:?]
	at bpg.a(SourceFile:85) ~[18w19b.jar:?]
	at tc.a(SourceFile:59) ~[18w19b.jar:?]
	at tc.a(SourceFile:23) ~[18w19b.jar:?]
	at afz$a.a(SourceFile:143) ~[18w19b.jar:?]
	at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602) [?:1.8.0_171]
	at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577) [?:1.8.0_171]
	at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443) [?:1.8.0_171]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) [?:1.8.0_171]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) [?:1.8.0_171]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) [?:1.8.0_171]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_171]