服务器崩溃，控制台出现如下报错：

    1. java.lang.IllegalArgumentException: Cannot set property BlockStateInteger{name=age, clazz=class java.lang.Integer, values=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]} to 14 on block minecraft:fire, it is not an allowed value
    2.         at net.minecraft.server.v1_12_R1.BlockStateList$BlockData.set(SourceFile:184) ~[patched_1.12.2.jar:git-Paper-1618]
    3.         at net.minecraft.server.v1_12_R1.BlockFire.b(BlockFire.java:120) ~[patched_1.12.2.jar:git-Paper-1618]
    4.         at net.minecraft.server.v1_12_R1.WorldServer.a(WorldServer.java:793) ~[patched_1.12.2.jar:git-Paper-1618]
    5.         at net.minecraft.server.v1_12_R1.WorldServer.doTick(WorldServer.java:324) ~[patched_1.12.2.jar:git-Paper-1618]
    6.         at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:905) ~[patched_1.12.2.jar:git-Paper-1618]
    7.         ... 4 more

    可能是 ViaVersion 插件导致，也可能是一个崩坏的方块导致的。要排查后者，可以重置地图，并删除 server.properties 中的地图种子（如果有指定种子的话）。