[27Sep2026 09:20:06.653] [main/INFO] [net.neoforged.fml.startup.Entrypoint/]: JVM Uptime at startup: 137ms
[27Sep2026 09:20:06.661] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Starting FancyModLoader version 10.0.36 (DEDICATED_SERVER in PROD)
[27Sep2026 09:20:06.661] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Game directory: /srv/pack
[27Sep2026 09:20:06.745] [main/INFO] [net.neoforged.fml.loading.EarlyServiceDiscovery/]: Found 2 early service jars (out of 69) in 18ms
[27Sep2026 09:20:06.745] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Loading FML Early Services:
[27Sep2026 09:20:06.749] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]:  - libraries/net/neoforged/fancymodloader/loader/10.0.36/loader-10.0.36.jar
[27Sep2026 09:20:06.750] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]:  - libraries/net/neoforged/fancymodloader/earlydisplay/10.0.36/earlydisplay-10.0.36.jar
[27Sep2026 09:20:06.754] [main/INFO] [net.neoforged.fml.loading.ImmediateWindowHandler/]: Not loading early display in headless mode.
[27Sep2026 09:20:06.766] [main/INFO] [net.neoforged.fml.loading.moddiscovery.locators.GameLocator/]: Failed to find common Minecraft classes and resources on the classpath. Assuming we're launching production.
[27Sep2026 09:20:06.996] [main/INFO] [net.neoforged.fml.loading.moddiscovery.locators.JarInJarDependencyLocator/]: Found 2 dependencies adding them to mods collection
[27Sep2026 09:20:06.999] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/]: 
     Mod List:
		Name Version (Mod Id)

		Minecraft 1.21.11 (minecraft)
		NeoForge 21.11.45 (neoforge)
		Screenshot Viewer 1.3.6 (screenshot_viewer)
[27Sep2026 09:20:07.224] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.7 Source=file:/srv/pack/libraries/net/fabricmc/sponge-mixin/0.16.5+mixin.0.8.7/sponge-mixin-0.16.5+mixin.0.8.7.jar Service=FML Env=SERVER
[27Sep2026 09:20:07.237] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Loading FML Plugins:
[27Sep2026 09:20:07.237] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]:  - ~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar > net.neoforged.neoforge-coremods-21.11.45.jar
[27Sep2026 09:20:07.569] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Building game content classloader:
 - minecraft (jar(~libraries/net/neoforged/minecraft-server-patched/21.11.45/minecraft-server-patched-21.11.45.jar))
 - mixinextras.neoforge (jar(~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar > mixinextras-neoforge-0.5.3.jar))
 - neoforge (jar(~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar))
 - net.neoforged.fml.generated (empty(VirtualJar/net.neoforged.fml.generated))
 - screenshot_viewer (jar(mods/screenshot_viewer-1.3.6-neoforge-mc1.21.11.jar))
[27Sep2026 09:20:07.600] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Built game content classloader in 103ms
[27Sep2026 09:20:07.642] [main/WARN] [mixin/]: Reference map 'screenshot_viewer.refmap.json' for screenshot_viewer.mixins.json could not be read. If this is a development environment you can ignore this message
[27Sep2026 09:20:08.387] [main/INFO] [MixinExtras|Service/]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.5.3).
[27Sep2026 09:20:15.748] [modloading-worker-0/ERROR] [net.neoforged.fml.javafmlmod.FMLModContainer/LOADING]: Failed to create mod instance. ModID: screenshot_viewer, class io.github.lgatodu47.screenshot_viewer.ScreenshotViewer
java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/Screen
	at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) ~[?:?]
	at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3551) ~[?:?]
	at java.base/java.lang.Class.getConstructors(Class.java:2229) ~[?:?]
	at net.neoforged.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:85) ~[loader-10.0.36.jar:10.0]
	at net.neoforged.fml.ModLoader.lambda$constructMods$0(ModLoader.java:125) ~[loader-10.0.36.jar:10.0]
	at net.neoforged.fml.ModLoader.lambda$dispatchParallelTask$4(ModLoader.java:203) ~[loader-10.0.36.jar:10.0]
	at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:934) ~[?:?]
	at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:911) ~[?:?]
	at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:483) ~[?:?]
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387) ~[?:?]
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312) ~[?:?]
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843) [?:?]
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808) [?:?]
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) [?:?]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.gui.screens.Screen
	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445) ~[?:?]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:593) ~[?:?]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
	at net.neoforged.fml.classloading.ModuleClassLoader.loadClass(ModuleClassLoader.java:247) ~[loader-10.0.36.jar:10.0]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
	... 14 more
[27Sep2026 09:20:15.762] [modloading-worker-0/INFO] [net.neoforged.neoforge.common.NeoForgeMod/NEOFORGE-MOD]: NeoForge mod loading, version 21.11.45, for MC 1.21.11
[27Sep2026 09:20:15.943] [main/FATAL] [net.neoforged.fml.ModLoader/LOADING]: Failed to wait for future Mod Construction, 1 errors found
[27Sep2026 09:20:16.046] [main/ERROR] [net.minecraft.CrashReport/]: Negative index in crash report handler (0/11)
[27Sep2026 09:20:16.211] [main/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID 4e29bd3e-e2bf-43ac-946d-fe857757068b
[27Sep2026 09:20:16.211] [main/FATAL] [net.neoforged.neoforge.server.loading.ServerModLoader/]: Crash report saved to ./crash-reports/crash-2026-09-27_09.20.16-fml.txt
[27Sep2026 09:20:16.290] [main/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID e2c254ca-8ab3-46cf-a1c9-3e4b94cb4148
[27Sep2026 09:20:16.290] [main/ERROR] [net.minecraft.server.Main/FATAL]: Failed to start the minecraft server
net.neoforged.fml.ModLoadingException: Loading errors encountered:
	- Screenshot Viewer (screenshot_viewer) has failed to load correctly
	  java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/Screen

	at net.neoforged.fml.ModLoader.waitForFuture(ModLoader.java:253) ~[loader-10.0.36.jar:10.0]
	at net.neoforged.fml.ModLoader.dispatchParallelTask(ModLoader.java:216) ~[loader-10.0.36.jar:10.0]
	at net.neoforged.fml.ModLoader.constructMods(ModLoader.java:124) ~[loader-10.0.36.jar:10.0]
	at net.neoforged.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:101) ~[loader-10.0.36.jar:10.0]
	at TRANSFORMER/neoforge@21.11.45/net.neoforged.neoforge.internal.CommonModLoader.begin(CommonModLoader.java:49) ~[neoforge-21.11.45-universal.jar:?]
	at TRANSFORMER/neoforge@21.11.45/net.neoforged.neoforge.server.loading.ServerModLoader.load(ServerModLoader.java:31) ~[neoforge-21.11.45-universal.jar:?]
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.server.Main.main(Main.java:116) ~[minecraft-server-patched-21.11.45.jar:?]
	at net.neoforged.fml.startup.Server.main(Server.java:19) ~[loader-10.0.36.jar:10.0]
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
	at net.neoforged.serverstarterjar.Main.mainLaunch(Main.java:306) [server.jar:0.1.35]
	at net.neoforged.serverstarterjar.Main.main(Main.java:76) [server.jar:0.1.35]
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
	at net.neoforged.serverstarterjar.Main8.main(Main8.java:19) [server.jar:0.1.35]
[27Sep2026 09:20:16.294] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Closing FML Loader 2b1ea99c
[27Sep2026 09:20:16.294] [main/INFO] [net.neoforged.fml.ModLoader/]: Clearing ModLoader