Server Wont Start

---- Minecraft Crash Report ----

WARNING: coremods are present:
SpongeCoremod (spongeforge-1.12.2-2611-7.1.0-BETA-2925.jar)
Contact their authors BEFORE contacting forge

// Hi. I’m Minecraft, and I’m a crashaholic.

Time: 2/26/18 12:18 AM
Description: Exception in server tick loop

java.lang.RuntimeException: java.util.NoSuchElementException
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:663)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:589)
at net.minecraftforge.fml.common.FMLCommonHandler.onPreWorldTick(FMLCommonHandler.java:285)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:750)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:396)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:666)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:524)
at java.lang.Thread.run(Unknown Source)
Caused by: java.util.NoSuchElementException
at java.util.ArrayDeque.removeFirst(Unknown Source)
at java.util.ArrayDeque.pop(Unknown Source)
at org.spongepowered.common.event.tracking.PhaseStack.pop(PhaseStack.java:77)
at org.spongepowered.common.event.tracking.PhaseTracker.completePhase(PhaseTracker.java:200)
at org.spongepowered.common.event.tracking.PhaseContext.close(PhaseContext.java:400)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:652)
… 7 more

A detailed walkthrough of the error, its code path and all known details is as follows:

– Head –
Thread: Server thread
Stacktrace:
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:663)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:589)
at net.minecraftforge.fml.common.FMLCommonHandler.onPreWorldTick(FMLCommonHandler.java:285)

– Sponge PhaseTracker –
Details:
Cause Stack: [Empty stack]
Stacktrace:
at net.minecraft.server.MinecraftServer.handler$onCrashReport$zjf000(MinecraftServer.java:4013)
at net.minecraft.server.MinecraftServer.func_71230_b(MinecraftServer.java:887)
at net.minecraft.server.dedicated.DedicatedServer.func_71230_b(DedicatedServer.java:370)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:556)
at java.lang.Thread.run(Unknown Source)

– System Details –
Details:
Minecraft Version: 1.12.2
Operating System: Linux (amd64) version 3.10.0-693.11.6.el7.x86_64
Java Version: 1.8.0_152, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 820759720 bytes (782 MB) / 2130051072 bytes (2031 MB) up to 2130051072 bytes (2031 MB)
JVM Flags: 10 total; -Xmx2048M -Xms2048M -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalMode -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=2 -XX:+AggressiveOpts -XX:+CMSClassUnloadingEnabled -XX:MaxMetaspaceSize=256M
IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
FML: MCP 9.42 Powered by Forge 14.23.1.2590 13 mods loaded, 13 mods active
States: ‘U’ = Unloaded ‘L’ = Loaded ‘C’ = Constructed ‘H’ = Pre-initialized ‘I’ = Initialized ‘J’ = Post-initialized ‘A’ = Available ‘D’ = Disabled ‘E’ = Errored

| State     | ID          | Version                     | Source                                      | Signature                                |
|:--------- |:----------- |:--------------------------- |:------------------------------------------- |:---------------------------------------- |
| UCHIJAAAA | minecraft   | 1.12.2                      | minecraft.jar                               | None                                     |
| UCHIJAAAA | mcp         | 9.42                        | minecraft.jar                               | None                                     |
| UCHIJAAAA | FML         | 8.0.99.99                   | forge-1.12.2-14.23.1.2590-universal.jar     | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| UCHIJAAAA | forge       | 14.23.1.2590                | forge-1.12.2-14.23.1.2590-universal.jar     | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| UCHIJAAAA | spongeapi   | 7.1.0-SNAPSHOT-6aa4e43      | spongeforge-1.12.2-2611-7.1.0-BETA-2925.jar | None                                     |
| UCHIJAAAA | sponge      | 1.12.2-2611-7.1.0-BETA-2925 | spongeforge-1.12.2-2611-7.1.0-BETA-2925.jar | None                                     |
| UCHIJAAAA | foxcore     |                             | foxcore-sponge-0.11.0-246-client.jar        | None                                     |
| UCHIJAAAA | foxguard    |                             | foxguard-sponge-0.21.0-405-server.jar       | None                                     |
| UCHIJAAAA | luckperms   | 4.0.147                     | LuckPerms-Sponge-4.0.147.jar                | None                                     |
| UCHIJAAAA | nucleus     | 1.3.1-S7.0                  | Nucleus-1.3.1-S7.0-MC1.12.2-plugin.jar      | None                                     |
| UCHIJAAAA | pixelmon    | 6.2.1                       | Pixelmon-1.12.2-6.2.1-universal.jar         | None                                     |
| UCHIJAAAA | pixelextras | 2.2.10                      | PixelExtras-1.12.2-2.3.0-universal.jar      | None                                     |
| UCHIJAAAA | wondertrade | 4.5.0                       | WonderTrade-1.12.2-4.5.0-universal.jar      | None                                     |

Loaded coremods (and transformers): 

SpongeCoremod (spongeforge-1.12.2-2611-7.1.0-BETA-2925.jar)
org.spongepowered.common.launch.transformer.SpongeSuperclassTransformer
Profiler Position: N/A (disabled)
Player Count: 0 / 30; []
Is Modded: Definitely; Server brand changed to ‘fml,forge,sponge’
Type: Dedicated Server (map_server.txt)

Can anyone please help me?

instead of pasting your crash report into the forums, I suggest you use Pastebin or gist, it seem you have an outdated spongeforge try updating it and see if the problem continue
EDIT: you also have an outdated forge

What he said. You’re trying to run spongeforge-1.12.2-2611-7.1.0-BETA-2925.jar using Forge 14.23.1.2590. The minimum version of Forge you need to make it work is actually shown in the spongeforge filename - ie. 2611.