Crash: "Exception generating new chunk" on AMPLIFIED terrain

Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException: 16
 at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
 at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
 at tb.c(SourceFile:126)
 at tj.a(SourceFile:85)
 at tk.c(SourceFile:123)
 at tc.i_(SourceFile:220)
 at net.minecraft.server.MinecraftServer.w(SourceFile:723)
 at sn.w(SourceFile:357)
 at net.minecraft.server.MinecraftServer.v(SourceFile:656)
 at net.minecraft.server.MinecraftServer.run(SourceFile:559)
 at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 16
 at bni.a(SourceFile:86)
 at bni.e(SourceFile:495)
 at th.i(SourceFile:255)
 at th.a(SourceFile:248)
 at bpb.a(SourceFile:29)
 at bpb.a(SourceFile:13)
 at btz.a(SourceFile:26)
 at btz.a(SourceFile:13)
 at bpe.a(SourceFile:27)
 at ayn.a(SourceFile:514)
 at bmq.a(SourceFile:113)
 at tq.a(SourceFile:12)
 at tp.a(SourceFile:35)
 at bmu.a(SourceFile:95)
 at tw.a(SourceFile:62)
 at tw.a(SourceFile:25)
 at acr$a.a(SourceFile:130)
 at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
 at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
 at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443)
 at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
 at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
 at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
 at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)