Error in Bukkit, today for no reason, crashing server!

NOTE - My server was fine yesterday, no errors and all, now, today, my server is crashing every 1 minute.

PS. I think NOT configure or install ANY plugins during the time.



09.08 12:21:24 [Server] SEVERE Encountered an unexpected exception NoSuchFieldError
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:408)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:476)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:583)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.DedicatedServerConnection.b(SourceFile:29)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.DedicatedServerConnectionThread.a(DedicatedServerConnectionThread.java:44)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.NetLoginHandler.c(NetLoginHandler.java:41)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.NetLoginHandler.d(NetLoginHandler.java:121)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.ServerConfigurationManagerAbstract.a(ServerConfigurationManagerAbstract.java:92)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.ServerConfigurationManagerAbstract.c(ServerConfigurationManagerAbstract.java:172)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.ServerConfigurationManagerAbstract.a(ServerConfigurationManagerAbstract.java:123)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.PlayerManager.addPlayer(PlayerManager.java:92)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.PlayerManager.a(PlayerManager.java:66)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.PlayerInstance.<init>(PlayerInstance.java:23)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:104)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.Chunk.a(Chunk.java:795)
09.08 12:21:24 [Server] SEVERE at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:191)
09.08 12:21:24 [Server] SEVERE at multiworld.worldgen.populators.SurfacePopulator.populate(SurfacePopulator.java:28)
09.08 12:21:24 [Server] SEVERE at multiworld.worldgen.populators.SnowPopulator.chanceBlock(SnowPopulator.java:32)
09.08 12:21:24 [Server] SEVERE java.lang.NoSuchFieldError: TUNDRA
09.08 12:21:24 [Server] INFO [STAB] Player "mook403" has previously been kicked by STAB!
09.08 12:21:24 [Server] INFO mook403[/24.127.145.50:60717] logged in with entity id 382 at ([Prison2] 656.0637299224305, 65.0, 263.138086656882)
09.08 12:21:24 [Server] INFO [NoCheatPlus] NoCheatPlus doesn't know log message 'color'. Have you forgotten to define it?
09.08 12:21:17 [Server] INFO Query running on 142.4.33.98:25582
09.08 12:21:17 [Server] INFO Starting GS4 status listener
09.08 12:21:17 [Server] Startup Done (3.784s)! For help, type "help" or "?"
09.08 12:21:17 [Server] INFO Server permissions file permissions.yml is empty, ignoring it
09.08 12:21:17 [Server] INFO [SimpleRegionMarket] The check took 21ms
09.08 12:21:17 [Server] INFO [SimpleRegionMarket] Loaded 3 template(s), 1 world(s) and 52 region(s).
09.08 12:21:17 [Server] INFO [SimpleRegionMarket] Enabling SimpleRegionMarket v2.0.3-beta
09.08 12:21:17 [Server] INFO [Factions v1.6.9_pre] === ENABLE DONE (Took 146ms) ===
09.08 12:21:17 [Server] INFO [Factions v1.6.9_pre] NOTE: Economy is disabled. You can enable it with the command: f config econEnabled true
09.08 12:21:17 [Server] INFO [Factions v1.6.9_pre] Economy integration through Vault plugin successful.
09.08 12:21:17 [Server] INFO [Factions v1.6.9_pre] Found and will integrate chat with EssentialsChat vPre2.9.2.2
09.08 12:21:17 [Server] INFO [Factions v1.6.9_pre] Loading board from disk
09.08 12:21:17 [Server] INFO [Factions v1.6.9_pre] === ENABLE START ===
09.08 12:21:17 [Server] INFO [Factions] Enabling Factions v1.6.9_pre
09.08 12:21:17 [Server] INFO [EssentialsChat] Enabling EssentialsChat vPre2.9.2.2
09.08 12:21:17 [Server] INFO Successfully linked with PermissionsEX
09.08 12:21:17 [Server] INFO [VirtualChest] Chests loaded !
09.08 12:21:17 [Multicraft] Skipped 226 lines due to rate limit (30/s)
09.08 12:21:16 [Server] INFO [SCS] World was null for shop 19a49d435c0e20aa84a82062cdc649b462c1e1a4
09.08 12:21:16 [Server] INFO [SCS] Could not load shop 893415451e80cc6ccc771d1b9d9b7287c240928a
09.08 12:21:16 [Server] INFO [SCS] World was null for shop 893415451e80cc6ccc771d1b9d9b7287c240928a
09.08 12:21:16 [Server] INFO [SCS] Could not load shop 58d92cc46e54381bc43b5e5d125f3a78d81a8a71
09.08 12:21:16 [Server] INFO [SCS] World was null for shop 58d92cc46e54381bc43b5e5d125f3a78d81a8a71
09.08 12:21:16 [Server] INFO [SCS] Could not load shop 82c34608caf62d02371697e6c9164e089ce1a74a
09.08 12:21:16 [Server] INFO [SCS] World was null for shop 82c34608caf62d02371697e6c9164e089ce1a74a
09.08 12:21:16 [Server] INFO [SCS] Could not load shop e96bfb4990d157b414db959e85c4fbf7103c4010
09.08 12:21:16 [Server] INFO [SCS] World was null for shop e96bfb4990d157b414db959e85c4fbf7103c4010
09.08 12:21:16 [Server] INFO [SCS] Could not load shop a6be57a8d42ddb7e6b1c964ab91e47aed845adaa
09.08 12:21:16 [Server] INFO [SCS] World was null for shop a6be57a8d42ddb7e6b1c964ab91e47aed845adaa
09.08 12:21:16 [Server] INFO [SCS] Could not load shop ea7630e925a76007dfb3352171fc011795076c53
09.08 12:21:16 [Server] INFO [SCS] World was null for shop ea7630e925a76007dfb3352171fc011795076c53
09.08 12:21:16 [Server] INFO [SCS] Could not load shop 364eb622c17084492d76adc900f6840aa535426f
09.08 12:21:16 [Server] INFO [SCS] World was null for shop 364eb622c17084492d76adc900f6840aa535426f
09.08 12:21:16 [Server] INFO [SCS] Could not load shop f86d90cb2308bc062fcc7134ecdff14346e4ad4c
09.08 12:21:16 [Server] INFO [SCS] World was null for shop f86d90cb2308bc062fcc7134ecdff14346e4ad4c
09.08 12:21:16 [Server] INFO [SCS] Could not load shop e3b99e036764ad30f152578ee6e8682737d382e5
09.08 12:21:16 [Server] INFO [SCS] World was null for shop e3b99e036764ad30f152578ee6e8682737d382e5
09.08 12:21:16 [Server] INFO [SCS] Loading shops
09.08 12:21:16 [Server] INFO [SCS] getDatafolder: plugins/ShowCaseStandalone
09.08 12:21:16 [Server] INFO [SCS] Using the MiniDB storage type.
09.08 12:21:16 [Server] INFO [SCS] Initializing ShopHandler and ShopStorage
09.08 12:21:16 [Server] INFO [SCS] locale vs. config: 1.5 v 1.5
09.08 12:21:16 [Server] INFO [SCS] Loading configuration.
09.08 12:21:16 [Server] INFO [SCS] Starting build 85.0, 2012-05-31 by kellerkindt, contributors: sorklin
09.08 12:21:16 [Server] INFO [ShowCaseStandalone] Enabling ShowCaseStandalone v0.85
09.08 12:21:16 [Server] INFO [Essentials] Payment method found (Vault - Economy: iConomy 6 version: 1.2.16-b184)
09.08 12:21:16 [Server] INFO Essentials: Using PermissionsEx based permissions.
09.08 12:21:16 [Server] INFO [Vault][Economy] Essentials Economy hooked.
09.08 12:21:16 [Multicraft] Skipped 48 lines due to rate limit (30/s)
09.08 12:21:16 [Server] INFO [PermissionsEx] Superperms support enabled.
09.08 12:21:15 [Server] INFO [PermissionsEx] Enabling PermissionsEx v1.19.2
09.08 12:21:15 [Server] INFO ScheduledAnnouncer2 v2.4 - for CB 1.2.5-R3.0 is enabled!
09.08 12:21:15 [Server] INFO [ScheduledAnnouncer2] Enabling ScheduledAnnouncer2 v2.4 - for CB 1.2.5-R3.0
09.08 12:21:15 [Server] INFO [Vault][Economy] iConomy 6 hooked.
09.08 12:21:15 [Server] INFO [iConomy] Hello, I'm Nijikokun. Yes, this is an April Fools joke, but '/money top' was fixed! Enjoy - Rare Version!
09.08 12:21:15 [Server] INFO [iConomy - April Fools] Enabled (13 ms)
09.08 12:21:15 [Server] INFO [iConomy] Enabling iConomy v7.0
09.08 12:21:15 [Server] INFO WEPIF: Using the Bukkit Permissions API.
09.08 12:21:15 [Server] INFO [WorldEdit] Enabling WorldEdit v5.3
09.08 12:21:15 [Server] INFO [NoCheatPlus] Version 3.7 is enabled.
09.08 12:21:15 [Server] INFO [NoCheatPlus] Enabling NoCheatPlus v3.7
09.08 12:21:15 [Server] INFO [STAB] Starting ThreadJanitor...
09.08 12:21:15 [Server] INFO [STAB rCON] running on port: 2929
09.08 12:21:15 [Server] INFO **********************************************************
09.08 12:21:15 [Server] INFO ** [STAB] Ver: [2.1.0] was enabled successfully! **
09.08 12:21:15 [Server] INFO **********************************************************
09.08 12:21:15 [Server] INFO ** ============= [STAB] is up to date! ============= **
09.08 12:21:15 [Server] INFO ** Checking for updates... **
09.08 12:21:15 [Server] INFO **********************************************************
09.08 12:21:15 [Server] INFO ** =========== Please consider a donation! =========== **
09.08 12:21:15 [Server] INFO ** ======= Created by: Blackburn & Xizvyrious ====== **
09.08 12:21:15 [Server] INFO ** ========== TeamM4.com | freebuildxiz.com ========== **
09.08 12:21:15 [Server] INFO ** ============= > StopTalkingAutoBan < ============== **
09.08 12:21:15 [Server] INFO **********************************************************
09.08 12:21:15 [Server] INFO [StopTalkingAutoBan] Enabling StopTalkingAutoBan v2.1.0
09.08 12:21:15 [Server] INFO [MultiWorld] v3.3.0 enabled.
09.08 12:21:15 [Server] INFO [MultiWorld] Enabling MultiWorld
09.08 12:21:15 [Server] INFO Preparing start region for level 5 (Seed: -4908972130186465762)
09.08 12:21:15 [Server] INFO Preparing start region for level 4 (Seed: 2445357896642108607)
09.08 12:21:14 [Server] INFO Preparing start region for level 3 (Seed: 7817412669351580859)
09.08 12:21:14 [Server] INFO [MultiWorld] Enabling MultiWorld v3.3.0
09.08 12:21:14 [Server] INFO For reference, the main world's spawn location is at X: -15062.0 Y: 7.0 Z: -14994.0
09.08 12:21:14 [Server] INFO [WorldBorder] [CONFIG] Border-checking timed task started.
09.08 12:21:14 [Server] INFO [WorldBorder] [CONFIG] Using round border, knockback of 3.0 blocks, and timer delay of 5.
09.08 12:21:14 [Server] INFO [WorldBorder] Enabling WorldBorder v1.5.4
09.08 12:21:14 [Server] INFO Preparing start region for level 2 (Seed: -857074847227838713)