hallo hab auf dem server ein proplem ein spiel der hat viele blöcke auf einamal gespawnt über 9500 der server ist gecrascht komme nicht mehr auf dem server rauf was kann ich machen das es wieder funktioniert.
Lg sweety 
[20:34:21] [Server thread/INFO]: Starting minecraft server version 1.12.1
[20:34:21] [Server thread/INFO]: Loading properties
[20:34:21] [Server thread/INFO]: Default game type: CREATIVE
[20:34:21] [Server thread/INFO]: Generating keypair
[20:34:24] [Server thread/INFO]: Starting Minecraft server on *:47918
[20:34:24] [Server thread/INFO]: Using epoll channel type
[20:34:25] [Server thread/INFO]: Preparing level "world"
[20:34:29] [Server thread/INFO]: Loaded 488 advancements
[20:34:29] [Server thread/INFO]: Preparing start region for level 0
[20:34:35] [Server thread/INFO]: Preparing spawn area: 0%
[20:34:36] [Server thread/INFO]: Preparing spawn area: 3%
[20:34:37] [Server thread/INFO]: Preparing spawn area: 14%
[20:34:38] [Server thread/INFO]: Preparing spawn area: 26%
[20:34:39] [Server thread/INFO]: Preparing spawn area: 38%
[20:34:40] [Server thread/INFO]: Preparing spawn area: 45%
[20:34:41] [Server thread/INFO]: Preparing spawn area: 56%
[20:34:42] [Server thread/INFO]: Preparing spawn area: 66%
[20:34:43] [Server thread/INFO]: Preparing spawn area: 74%
[20:34:44] [Server thread/INFO]: Preparing spawn area: 85%
[20:34:45] [Server thread/INFO]: Preparing spawn area: 95%
[20:34:45] [Server thread/INFO]: Done (19.726s)! For help, type "help" or "?"
[20:34:45] [Server thread/INFO]: Starting GS4 status listener
[20:34:45] [Query Listener #1/INFO]: Query running on 0.0.0.0:57918
[20:35:02] [User Authenticator #1/INFO]: UUID of player joelweigel is 37de5423-adc3-41b7-a5ca-dee020d47731
[20:35:02] [User Authenticator #2/INFO]: UUID of player THEDEVILMAUS1 is 9939c781-67ab-41ed-8054-bb8a9a58946e
[20:35:03] [Server thread/INFO]: THEDEVILMAUS1[/193.80.64.221:60094] logged in with entity id 0 at (400.0448391902529, 74.0, 466.97028907116993)
[20:35:03] [Server thread/INFO]: THEDEVILMAUS1 joined the game
[20:35:11] [Server thread/INFO]: joelweigel[/79.207.61.13:54093] logged in with entity id 3721 at (393.50911312815873, 69.875, 498.6087811243382)
[20:35:11] [Server thread/INFO]: joelweigel joined the game
[20:35:12] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 9566ms behind, skipping 191 tick(s)
[20:35:21] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.NoClassDefFoundError: Could not initialize class b
at net.minecraft.server.MinecraftServer.D(SourceFile:626) ~inecraft_server.jar:?]
at nz.D(SourceFile:349) ~inecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.C(SourceFile:560) ~inecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.run(SourceFile:464) inecraft_server.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]
[20:35:21] [Server thread/INFO]: Stopping server
[20:35:21] [Server thread/INFO]: Saving players
[20:35:21] [Server thread/INFO]: THEDEVILMAUS1 lost connection: Internal Exception: java.lang.StackOverflowError
[20:35:21] [Server thread/INFO]: THEDEVILMAUS1 left the game
[20:35:21] [Server thread/INFO]: Saving worlds
[20:35:21] [Server thread/INFO]: Saving chunks for level 'world'/overworld
[20:35:22] [Server thread/INFO]: Saving chunks for level 'world'/the_nether
[20:35:23] [Server thread/INFO]: Saving chunks for level 'world'/the_end
[20:35:23] [Server Shutdown Thread/INFO]: Stopping server
[20:35:23] [Server Shutdown Thread/INFO]: Saving players