Nukkit error

22:55:14 [EMERGENCY] Exception happened while ticking server
22:55:14 [ALERT] java.lang.AssertionError: java.security.NoSuchAlgorithmExceptio
n: EC KeyFactory not available
        at cn.nukkit.utils.ClientChainData.<clinit>(ClientChainData.java:43)
        at cn.nukkit.Player.handleDataPacket(Player.java:2068)
        at java.util.ArrayList.forEach(java.base@9-internal/ArrayList.java:1352)
        at cn.nukkit.network.Network.processPackets(Network.java:178)
        at cn.nukkit.network.Network.processBatch(Network.java:160)
        at cn.nukkit.Player.handleDataPacket(Player.java:2026)
        at cn.nukkit.network.RakNetInterface.handleEncapsulated(RakNetInterface.
java:157)
        at cn.nukkit.raknet.server.ServerHandler.handlePacket(ServerHandler.java
:132)
        at cn.nukkit.network.RakNetInterface.process(RakNetInterface.java:68)
        at cn.nukkit.network.Network.processInterfaces(Network.java:76)
        at cn.nukkit.Server.tick(Server.java:1076)
        at cn.nukkit.Server.tickProcessor(Server.java:850)
        at cn.nukkit.Server.start(Server.java:827)
        at cn.nukkit.Server.<init>(Server.java:510)
        at cn.nukkit.Nukkit.main(Nukkit.java:99)
Caused by: java.security.NoSuchAlgorithmException: EC KeyFactory not available
        at java.security.KeyFactory.<init>(java.base@9-internal/KeyFactory.java:
138)
        at java.security.KeyFactory.getInstance(java.base@9-internal/KeyFactory.
java:179)
        at cn.nukkit.utils.ClientChainData.generateKey(ClientChainData.java:158)
        at cn.nukkit.utils.ClientChainData.<clinit>(ClientChainData.java:41)
        ... 14 more

22:55:14 [ALERT]
"threadDeathWatcher-3-1" daemon prio=1 Id=64 TIMED_WAITING
        at java.lang.Thread.sleep(java.base@9-internal/Native Method)
        at io.netty.util.ThreadDeathWatcher$Watcher.run(ThreadDeathWatcher.java:
150)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorato
r.run(DefaultThreadFactory.java:144)
        at java.lang.Thread.run(java.base@9-internal/Thread.java:804)


"epollEventLoopGroup-2-1" prio=10 Id=51 RUNNABLE (in native)
        at io.netty.channel.epoll.Native.epollWait0(Native Method)
        at io.netty.channel.epoll.Native.epollWait(Native.java:117)
        at io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:2
31)
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:255)
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThread
EventExecutor.java:873)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorato
r.run(DefaultThreadFactory.java:144)
        at java.lang.Thread.run(java.base@9-internal/Thread.java:804)


"Nukkit Asynchronous Task Handler #0" daemon prio=5 Id=50 WAITING on java.util.c
oncurrent.SynchronousQueue$TransferStack@7c8d5312
        at jdk.internal.misc.Unsafe.park(java.base@9-internal/Native Method)
        -  waiting on java.util.concurrent.SynchronousQueue$TransferStack@7c8d53
12
        at java.util.concurrent.locks.LockSupport.park(java.base@9-internal/Lock
Support.java:190)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(java
.base@9-internal/SynchronousQueue.java:459)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(java.bas
e@9-internal/SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.take(java.base@9-internal/Synch
ronousQueue.java:920)
        at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@9-internal/
ThreadPoolExecutor.java:1083)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@9-interna
l/ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@9-intern
al/ThreadPoolExecutor.java:632)
        ...


"Thread-6" prio=5 Id=49 TIMED_WAITING on cn.nukkit.utils.Watchdog@a0db585
        at java.lang.Object.wait(java.base@9-internal/Native Method)
        -  waiting on cn.nukkit.utils.Watchdog@a0db585
        at cn.nukkit.utils.Watchdog.run(Watchdog.java:58)


"RakNet Thread #45" prio=5 Id=45 TIMED_WAITING
        at java.lang.Thread.sleep(java.base@9-internal/Native Method)
        at cn.nukkit.raknet.server.SessionManager.tickProcessor(SessionManager.j
ava:96)
        at cn.nukkit.raknet.server.SessionManager.run(SessionManager.java:70)
        at cn.nukkit.raknet.server.SessionManager.<init>(SessionManager.java:58)
        at cn.nukkit.raknet.server.RakNetServer.run(RakNetServer.java:101)


"NonBlockingInputStreamThread" daemon prio=5 Id=39 WAITING on jline.internal.Non
BlockingInputStream@2b34e38c
        at java.lang.Object.wait(java.base@9-internal/Native Method)
        -  waiting on jline.internal.NonBlockingInputStream@2b34e38c
        at jline.internal.NonBlockingInputStream.run(NonBlockingInputStream.java
:275)
        at java.lang.Thread.run(java.base@9-internal/Thread.java:804)


"process reaper" daemon prio=10 Id=37 TIMED_WAITING on java.util.concurrent.Sync
hronousQueue$TransferStack@3d37203b
        at jdk.internal.misc.Unsafe.park(java.base@9-internal/Native Method)
        -  waiting on java.util.concurrent.SynchronousQueue$TransferStack@3d3720
3b
        at java.util.concurrent.locks.LockSupport.parkNanos(java.base@9-internal
/LockSupport.java:230)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(java
.base@9-internal/SynchronousQueue.java:461)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(java.bas
e@9-internal/SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(java.base@9-internal/Synch
ronousQueue.java:937)
        at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@9-internal/
ThreadPoolExecutor.java:1082)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@9-interna
l/ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@9-intern
al/ThreadPoolExecutor.java:632)
        ...


"Logger" prio=5 Id=11 TIMED_WAITING
        at java.lang.Thread.sleep(java.base@9-internal/Native Method)
        at cn.nukkit.utils.MainLogger.waitForMessage(MainLogger.java:231)
        at cn.nukkit.utils.MainLogger.run(MainLogger.java:165)


"process reaper" daemon prio=10 Id=34 TIMED_WAITING on java.util.concurrent.Sync
hronousQueue$TransferStack@3d37203b
        at jdk.internal.misc.Unsafe.park(java.base@9-internal/Native Method)
        -  waiting on java.util.concurrent.SynchronousQueue$TransferStack@3d3720
3b
        at java.util.concurrent.locks.LockSupport.parkNanos(java.base@9-internal
/LockSupport.java:230)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(java
.base@9-internal/SynchronousQueue.java:461)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(java.bas
e@9-internal/SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(java.base@9-internal/Synch
ronousQueue.java:937)
        at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@9-internal/
ThreadPoolExecutor.java:1082)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@9-interna
l/ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@9-intern
al/ThreadPoolExecutor.java:632)
        ...


"SeedGenerator Thread" daemon prio=1 Id=12 WAITING on sun.security.provider.Seed
Generator$ThreadedSeedGenerator@7fd26ad8
        at java.lang.Object.wait(java.base@9-internal/Native Method)
        -  waiting on sun.security.provider.SeedGenerator$ThreadedSeedGenerator@
7fd26ad8
        at java.lang.Object.wait(java.base@9-internal/Object.java:516)
        at sun.security.provider.SeedGenerator$ThreadedSeedGenerator.run(java.ba
se@9-internal/SeedGenerator.java:332)
        at java.lang.Thread.run(java.base@9-internal/Thread.java:804)


"Common-Cleaner" daemon prio=8 Id=9 TIMED_WAITING on java.lang.ref.ReferenceQueu
e$Lock@1894593a
        at java.lang.Object.wait(java.base@9-internal/Native Method)
        -  waiting on java.lang.ref.ReferenceQueue$Lock@1894593a
        at java.lang.ref.ReferenceQueue.remove(java.base@9-internal/ReferenceQue
ue.java:151)
        at jdk.internal.ref.CleanerImpl.run(java.base@9-internal/CleanerImpl.jav
a:148)
        at java.lang.Thread.run(java.base@9-internal/Thread.java:804)
        at jdk.internal.misc.InnocuousThread.run(java.base@9-internal/InnocuousT
hread.java:122)


"Signal Dispatcher" daemon prio=9 Id=5 RUNNABLE


"Finalizer" daemon prio=8 Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@14b0
e127
        at java.lang.Object.wait(java.base@9-internal/Native Method)
        -  waiting on java.lang.ref.ReferenceQueue$Lock@14b0e127
        at java.lang.ref.ReferenceQueue.remove(java.base@9-internal/ReferenceQue
ue.java:151)
        at java.lang.ref.ReferenceQueue.remove(java.base@9-internal/ReferenceQue
ue.java:172)
        at java.lang.ref.Finalizer$FinalizerThread.run(java.base@9-internal/Fina
lizer.java:216)


"Reference Handler" daemon prio=10 Id=2 WAITING on java.lang.ref.Reference$Lock@
10823d72
        at java.lang.Object.wait(java.base@9-internal/Native Method)
        -  waiting on java.lang.ref.Reference$Lock@10823d72
        at java.lang.Object.wait(java.base@9-internal/Object.java:516)
        at java.lang.ref.Reference.tryHandlePending(java.base@9-internal/Referen
ce.java:193)
        at java.lang.ref.Reference$ReferenceHandler.run(java.base@9-internal/Ref
erence.java:155)


"main" prio=5 Id=1 RUNNABLE
        at sun.management.ThreadImpl.dumpThreads0(java.management@9-internal/Nat
ive Method)
        at sun.management.ThreadImpl.dumpAllThreads(java.management@9-internal/T
hreadImpl.java:479)
        at cn.nukkit.utils.Utils.getAllThreadDumps(Utils.java:113)
        at cn.nukkit.Server.tickProcessor(Server.java:883)
        at cn.nukkit.Server.start(Server.java:827)
        at cn.nukkit.Server.<init>(Server.java:510)
        at cn.nukkit.Nukkit.main(Nukkit.java:99)