Server crash Skyfactory 4

[Purky]

Cant add the lastest log because its to long, Its also to long for past bin.
Server crashes after like 15/20 min Removed one mod that gave errors but that didnt do the job sadly.

[14:24:16] [Aromabackup-Backup/INFO] [AromaBackup]: Deleted backup ./backups/world/Backup--world--2020-01-06--17-21.zip.
[14:24:16] [Aromabackup-Backup/OFF] [Aroma1997Core]: Message to players; Message: Server Backup done!
[14:24:16] [Aromabackup-Backup/INFO] [net.minecraft.server.dedicated.DedicatedServer]: [AromaBackup] Server Backup done!
[14:26:27] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Exception ticking world
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:762) ~[MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397) ~[nz.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) ~[MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_231]
Caused by: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445) ~[?:1.8.0_231]
at java.util.HashMap$KeyIterator.next(HashMap.java:1469) ~[?:1.8.0_231]
at net.minecraft.server.management.PlayerChunkMap.func_72693_b(SourceFile:114) ~[ou.class:?]
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:227) ~[oo.class:?]
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:756) ~[MinecraftServer.class:?]
... 4 more
[14:26:27] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: This crash report has been saved to: /minecraft/SkyFactory_4_Server_4.1.0/./crash-reports/crash-2020-01-07_14.26.27-server.txt
[14:26:27] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Stopping server
[14:26:27] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving players
[14:26:27] [Server thread/INFO] [net.minecraft.network.NetHandlerPlayServer]: Purky lost connection: Server closed
[14:26:27] [Server thread/INFO] [net.minecraft.server.dedicated.DedicatedServer]: Purky left the game
[14:26:27] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving worlds
[14:26:27] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving chunks for level 'world'/DIM_0
[14:26:27] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving chunks for level 'world'/Storage Cell
[14:26:27] [Server thread/INFO] [FML]: Unloading dimension 0
[14:26:27] [Server thread/INFO] [FML]: Unloading dimension 2
[14:26:27] [Server thread/INFO] [fluxnetworks]: FluxNetworkData has been unloaded
[14:26:27] [Server thread/INFO] [fluxnetworks]: Cleared Network Caches
[14:26:27] [Server thread/INFO] [mcjty.lib.varia.Logging]: Cleaning up all world data: 1 data blobs
[14:26:27] [Server thread/INFO] [nuclearcraft]: Server Closing...
[14:26:27] [Server thread/INFO] [Parabox]: Saving Parabox world data.
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Server Info Handler
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Network Handler
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Data Factory
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Wireless Data Manager
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Wireless Redstone Manager
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Cable Connection Handler
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Redstone Connection Handler
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Server Display Handler
[14:26:27] [Server thread/INFO] [practicallogistics2]: Cleared Chunk Viewer Handler
[14:26:27] [Server thread/INFO] [topography]: Cleaning up
[14:26:27] [Server thread/INFO] [topography]: Unregistering Dimension 0
[14:26:27] [Server thread/INFO] [topography]: Registering Dimension 0
[14:26:27] [Server thread/INFO] [topography]: Unregistering Dimension -1
[14:26:27] [Server thread/INFO] [topography]: Registering Dimension -1
[14:26:27] [Server thread/INFO] [topography]: Done clean-up
[14:26:27] [Server thread/INFO] [FML]: The state engine was in incorrect state SERVER_STOPPING and forced into state SERVER_STOPPED. Errors may have been discarded.
[14:26:27] [Server Shutdown Thread/INFO] [net.minecraft.server.MinecraftServer]: Stopping server
[14:26:27] [Server Shutdown Thread/INFO] [net.minecraft.server.MinecraftServer]: Saving players

 

[grandrolf]

SkyFactory 4 is not a FTB pack, ask modpack creator for support.