This is my error that is not causing any crash reports somehow .__.

[main/FATAL] [minecraft/Main]: Failed to start the minecraft server
java.lang.IllegalStateException: Not a JSON Object: "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000"
        at com.google.gson.JsonElement.getAsJsonObject(JsonElement.java:90) ~[server-1.16.5-20210115.111550-extra.jar:?] {}
        at net.minecraft.util.registry.WorldSettingsImport$IResourceAccess$1.func_241879_a(WorldSettingsImport.java:193) ~[?:?] {re:classloading}
        at net.minecraft.util.registry.WorldSettingsImport.func_241805_a_(WorldSettingsImport.java:131) ~[?:?] {re:classloading}
        at net.minecraft.util.registry.WorldSettingsImport.func_240885_a_(WorldSettingsImport.java:105) ~[?:?] {re:classloading}
        at net.minecraft.util.registry.WorldSettingsImport$$Lambda$14226/712554930.apply(Unknown Source) ~[?:?] {}
        at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) ~[?:?] {re:classloading}
        at com.mojang.serialization.DataResult$$Lambda$1250/1980470340.apply(Unknown Source) ~[?:?] {}
        at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[?:?] {re:classloading}
        at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) ~[?:?] {re:classloading}
        at net.minecraft.util.registry.WorldSettingsImport.func_241797_a_(WorldSettingsImport.java:104) ~[?:?] {re:classloading}
        at net.minecraft.util.registry.DynamicRegistries.func_243610_a(DynamicRegistries.java:144) ~[?:?] {re:classloading,re:mixin}
        at net.minecraft.util.registry.DynamicRegistries.func_243608_a(DynamicRegistries.java:132) ~[?:?] {re:classloading,re:mixin}
        at net.minecraft.util.registry.WorldSettingsImport.func_244336_a(WorldSettingsImport.java:53) ~[?:?] {re:classloading}
        at net.minecraft.util.registry.WorldSettingsImport.func_244335_a(WorldSettingsImport.java:48) ~[?:?] {re:classloading}
        at net.minecraft.server.Main.main(Main.java:138) [?:?] {re:classloading}
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_45] {}
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_45] {}
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_45] {}
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_45] {re:computing_frames}
        at net.minecraftforge.fml.loading.FMLServerLaunchProvider.lambda$launchService$0(FMLServerLaunchProvider.java:37) [forge-1.16.5-36.2.35.jar:36.2] {}
        at net.minecraftforge.fml.loading.FMLServerLaunchProvider$$Lambda$482/835070183.call(Unknown Source) [forge-1.16.5-36.2.35.jar:36.2] {}
        at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}
        at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}
        at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}
        at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {re:classloading}
        at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {re:classloading}
        at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:49) [forge-1.16.5-36.2.35.jar:?] {}
        at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:46) [forge-1.16.5-36.2.35.jar:?] {}
        at net.minecraftforge.server.ServerMain.main(ServerMain.java:43) [forge-1.16.5-36.2.35.jar:?] {}

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