Server launching issue

[Mincrafter123]

General Info

• I didn't added any mods
• I can reproduce this issue consistently in single-player
• I can reproduce this issue consistently in multi-player
• I have searched for this issue previously and it was either (1) not previously reported, or (2) previously fixed and I am having the same problem.
• I am crashing and can provide my crash report(s)
• I am using the latest version of the modpack

Your launcher

Curseforge

Modpack version (Do not say latest check curseforge has it on modpacks icon)

1.6

Describe your issue

Server launch issues. I'm trying to start a server however upon downloading the server pack. Each time I try to start it the following error appears and I cant seem to figure it out.

Steps to reproduce the issue

No response

Additional Information

Hi everyone!

I'm trying to start a server however upon downloading the server pack. Each time I try to start it the following error appears and I cant seem to figure it out.

Crash Report UUID: 565c3436-5fd7-4cd2-9756-9a9ba78711d0[16:59:08] [main/FATAL] [minecraft/Main]: Failed to start the minecraft server
net.minecraftforge.fml.LoadingFailedException: Loading errors encountered: [
Project MMO (pmmo) has failed to load correctly
?7java.lang.IncompatibleClassChangeError: Method 'dev.ftb.mods.ftbquests.quest.task.TaskType dev.ftb.mods.ftbquests.quest.task.TaskTypes.register(net.minecraft.util.ResourceLocation, dev.ftb.mods.ftbquests.quest.task.TaskType$Provider, java.util.function.Supplier)' must be InterfaceMethodref constant
]
at net.minecraftforge.fml.ModLoader.waitForTransition(ModLoader.java:255) ~[forge:?] {re:classloading}
at net.minecraftforge.fml.ModLoader.dispatchAndHandleError(ModLoader.java:222) ~[forge:?] {re:classloading}
at net.minecraftforge.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:180) ~[forge:?] {re:classloading}
at net.minecraftforge.fml.server.ServerModLoader.load(ServerModLoader.java:30) ~[forge:?] {re:classloading}
at net.minecraft.server.Main.main(Main.java:95) ~[?:?] {re:classloading,re:mixin,pl:mixin:A}
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64) ~[?:?] {}
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
at java.lang.reflect.Method.invoke(Method.java:564) ~[?:?] {}
at net.minecraftforge.fml.loading.FMLServerLaunchProvider.lambda$launchService$0(FMLServerLaunchProvider.java:37) ~[forge-1.16.5-36.2.39.jar:36.2] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {re:classloading}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {re:classloading}
at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:49) [forge-1.16.5-36.2.39.jar:?] {}
at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:46) [forge-1.16.5-36.2.39.jar:?] {}
at net.minecraftforge.server.ServerMain.main(ServerMain.java:43) [forge-1.16.5-36.2.39.jar:?] {}

Thank you very much for any help.

crash-2023-08-23_16.59.08-fml.txt

[DoctorMage]

#58 (comment)