Server crashing: Exception in thread "main" java.lang.module.ResolutionException

[Koli]

Hi, can someone help me with this? I am getting this error message everytime i want to start a server it's modpack Roguelike Adventures and Dungeons and I don't know what's wrong.

I am getting this message:

Exception in thread "main" java.lang.module.ResolutionException: Module levelup2 contains package org.spongepowered.tools.obfuscation.mapping.fg3, module org.spongepowered.mixin exports package org.spongepowered.tools.obfuscation.mapping.fg3 to levelup2 at java.base/java.lang.module.Resolver.resolveFail(Resolver.java:901) at java.base/java.lang.module.Resolver.failTwoSuppliers(Resolver.java:807) at java.base/java.lang.module.Resolver.checkExportSuppliers(Resolver.java:755) at java.base/java.lang.module.Resolver.finish(Resolver.java:380) at java.base/java.lang.module.Configuration.<init>(Configuration.java:140) at java.base/java.lang.module.Configuration.resolveAndBind(Configuration.java:494) at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.ModuleLayerHandler.buildLayer(ModuleLayerHandler.java:75) at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.ModuleLayerHandler.buildLayer(ModuleLayerHandler.java:87) at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.TransformationServicesHandler.discoverServices(TransformationServicesHandler.java:128) at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.run(Launcher.java:86) at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.main(Launcher.java:77) at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) at [email protected]/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141)

[warjort]

RAD is a 1.12 modpack, so not supported here.