my server comes up with this error

[14:10:43] [Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception
net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from MineTogetherServer (minetogetherserver)

Caused by: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1 path $
at com.google.gson.Gson.fromJson(Gson.java:899) ~[Gson.class:?]
at com.google.gson.Gson.fromJson(Gson.java:852) ~[Gson.class:?]
at com.google.gson.Gson.fromJson(Gson.java:801) ~[Gson.class:?]
at net.creeperhost.minetogether.serverstuffs.CreeperHostServer.deserializePreload(CreeperHostServer.java:519) ~[CreeperHostServer.class:?]
at net.creeperhost.minetogether.serverstuffs.CreeperHostServer.serverStarting(CreeperHostServer.java:124) ~[CreeperHostServer.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_221]
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:624) ~[FTBserver-1.12.2-14.23.5.2821-universal.jar:?]
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_221]
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) ~[FTBserver-1.12.2-14.23.5.2821-universal.jar:?]
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) ~[FTBserver-1.12.2-14.23.5.2821-universal.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_221]
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) ~[LoadController.class:?]
at net.minecraftforge.fml.common.Loader.serverStarting(Loader.java:792) ~[Loader.class:?]
at net.minecraftforge.fml.common.FMLCommonHandler.handleServerStarting(FMLCommonHandler.java:297) ~[FMLCommonHandler.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:307) ~[nz.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) [MinecraftServer.class:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1 path $
at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:385) ~[JsonReader.class:?]
at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:183) ~[MapTypeAdapterFactory$Adapter.class:?]
at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:145) ~[MapTypeAdapterFactory$Adapter.class:?]
at com.google.gson.Gson.fromJson(Gson.java:887) ~[Gson.class:?]
at com.google.gson.Gson.fromJson(Gson.java:852) ~[Gson.class:?]
at com.google.gson.Gson.fromJson(Gson.java:801) ~[Gson.class:?]
at net.creeperhost.minetogether.serverstuffs.CreeperHostServer.deserializePreload(CreeperHostServer.java:519) ~[CreeperHostServer.class:?]
at net.creeperhost.minetogether.serverstuffs.CreeperHostServer.serverStarting(CreeperHostServer.java:124) ~[CreeperHostServer.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_221]
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:624) ~[FTBserver-1.12.2-14.23.5.2821-universal.jar:?]
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_221]
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) ~[FTBserver-1.12.2-14.23.5.2821-universal.jar:?]
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) ~[FTBserver-1.12.2-14.23.5.2821-universal.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_221]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_221]
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) ~[LoadController.class:?]
at net.minecraftforge.fml.common.Loader.serverStarting(Loader.java:792) ~[Loader.class:?]
at net.minecraftforge.fml.common.FMLCommonHandler.handleServerStarting(FMLCommonHandler.java:297) ~[FMLCommonHandler.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:307) ~[nz.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) ~[MinecraftServer.class:?]
at java.lang.Thread.run(Unknown Source) ~[?:1.8.0_221]
[14:10:43] [Server thread/ERROR] [minecraft/MinecraftServer]: This crash report has been saved to: C:\Users\Owen\Desktop\Mincraft server\Direwolf Server\FTB+Presents+Direwolf20+1.12-1.12.2-2.5.0-Server\.\crash-reports\crash-2019-07-27_14.10.43-server.txt
[14:10:43] [Server thread/INFO] [minecraft/MinecraftServer]: Stopping server
[14:10:43] [Server thread/INFO] [minecraft/MinecraftServer]: Saving players
[14:10:43] [Server thread/INFO] [minecraft/MinecraftServer]: Saving worlds
[14:10:43] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/overworld
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/the_nether
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/the_end
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/CompactMachines
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/lostcities
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/MINING_WORLD
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/Deep Dark
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/ExtraUtils2_Quarry_Dim
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/Storage Cell
[14:10:44] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'world'/twilight_forest
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world 0
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world -1
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world 1
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world 144
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world 111
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world -6
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world -11325
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world -9999
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world 2
[14:10:44] [Server thread/INFO] [THAUMCRAFT]: Removing aura cache for world 7
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension 0
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension -1
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension 1
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension 144
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension 111
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension -6
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension -11325
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension -9999
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension 2
[14:10:44] [Server thread/INFO] [FML]: Unloading dimension 7
[14:10:44] [Server thread/INFO] [mcjty.lib.varia.Logging]: Cleaning up all world data: 0 data blobs
[14:10:44] [Server thread/INFO] [mcjty.lib.varia.Logging]: RFTools Dimensions: server is stopping. Shutting down gracefully
[14:10:44] [Server thread/INFO] [FML]: The state engine was in incorrect state SERVER_STARTING and forced into state SERVER_STOPPED. Errors may have been discarded.
[14:10:44] [Server Shutdown Thread/INFO] [minecraft/MinecraftServer]: Stopping server
[14:10:44] [Server Shutdown Thread/INFO] [minecraft/MinecraftServer]: Saving players
[14:10:44] [Server Shutdown Thread/INFO] [minecraft/MinecraftServer]: Saving worlds

I don't know what to do and help would be much appreciated