Describe the issue

Hello this issue is maybe not important everything works as expected, anyways, found this error in the server console so it might be interesting to fix this for the upcoming versions

Log output and crash report

[16:44:53] [modloading-worker-0/ERROR] [WTHIT/]: [WTHIT] Error creating instance of plugin null java.lang.NoClassDefFoundError: mcp/mobius/waila/api/ui/IElement at java.lang.Class.forName0(Native Method) ~[?:?] {re:mixin} at java.lang.Class.forName(Class.java:375) ~[?:?] {re:mixin} at mcp.mobius.waila.plugin.PluginInfo.register(PluginInfo.java:42) ~[wthit-forge-4.13.5.jar%2394!/:4.13.5] {re:classloading} at mcp.mobius.waila.forge.ForgePluginLoader.gatherPlugins(ForgePluginLoader.java:42) ~[wthit-forge-4.13.5.jar%2394!/:4.13.5] {re:classloading} at mcp.mobius.waila.plugin.PluginLoader.loadPlugins(PluginLoader.java:18) ~[wthit-forge-4.13.5.jar%2394!/:4.13.5] {re:classloading} at mcp.mobius.waila.forge.ForgeWaila.loadComplete(ForgeWaila.java:41) ~[wthit-forge-4.13.5.jar%2394!/:4.13.5] {re:classloading,pl:eventbus:A} at net.minecraftforge.eventbus.ASMEventHandler_201_ForgeWaila_loadComplete_FMLLoadCompleteEvent.invoke(.dynamic) ~[?:?] {} at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-5.0.3.jar%232!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-5.0.3.jar%232!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-5.0.3.jar%232!/:?] {} at net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:106) ~[javafmllanguage-1.18.2-40.2.0.jar%23104!/:?] {} at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:107) ~[fmlcore-1.18.2-40.2.0.jar%23103!/:?] {} at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) [?:?] {} at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) [?:?] {} at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) [?:?] {} at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) [?:?] {} at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) [?:?] {re:computing_frames} at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) [?:?] {re:computing_frames} at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) [?:?] {} Caused by: java.lang.ClassNotFoundException: mcp.mobius.waila.api.ui.IElement at jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?] {} at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {} at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:134) ~[securejarhandler-1.0.3.jar:?] {} at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {} at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:134) ~[securejarhandler-1.0.3.jar:?] {} at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {} ... 19 more

Additional context

No response

You appear to have mods with jade plugin. You can ignore those errors.