[25Sep2026 07:57:40.666] [main/INFO] [net.neoforged.fml.startup.Entrypoint/]: JVM Uptime at startup: 149ms
[25Sep2026 07:57:40.689] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Starting FancyModLoader version 11.0.15 (DEDICATED_SERVER in PROD)
[25Sep2026 07:57:40.690] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Game directory: /srv/pack
[25Sep2026 07:57:40.752] [main/INFO] [net.neoforged.fml.loading.EarlyServiceDiscovery/]: Found 2 early service jars (out of 69) in 18ms
[25Sep2026 07:57:40.753] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Loading FML Early Services:
[25Sep2026 07:57:40.754] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]:  - libraries/net/neoforged/fancymodloader/earlydisplay/11.0.15/earlydisplay-11.0.15.jar
[25Sep2026 07:57:40.754] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]:  - libraries/net/neoforged/fancymodloader/loader/11.0.15/loader-11.0.15.jar
[25Sep2026 07:57:40.758] [main/INFO] [net.neoforged.fml.loading.ImmediateWindowHandler/]: Not loading early display in headless mode.
[25Sep2026 07:57:40.770] [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.
[25Sep2026 07:57:41.044] [main/INFO] [net.neoforged.fml.loading.moddiscovery.locators.JarInJarDependencyLocator/]: Found 2 dependencies adding them to mods collection
[25Sep2026 07:57:41.046] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/]: 
     Mod List:
		Name Version (Mod Id)

		Minecraft 26.1.2 (minecraft)
		NeoForge 26.1.2.109 (neoforge)
		Screenshot Viewer 1.3.6 (screenshot_viewer)
[25Sep2026 07:57:41.286] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.7 Source=file:/srv/pack/libraries/net/fabricmc/sponge-mixin/0.17.3+mixin.0.8.7/sponge-mixin-0.17.3+mixin.0.8.7.jar Service=FML Env=SERVER
[25Sep2026 07:57:41.307] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Loading FML Plugins:
[25Sep2026 07:57:41.307] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]:  - ~libraries/net/neoforged/neoforge/26.1.2.109/neoforge-26.1.2.109-universal.jar > net.neoforged.neoforge-coremods-26.1.2.109.jar
[25Sep2026 07:57:41.436] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Building game content classloader:
 - minecraft (jar(~libraries/net/neoforged/minecraft-server-patched/26.1.2.109/minecraft-server-patched-26.1.2.109.jar))
 - mixinextras.neoforge (jar(~libraries/net/neoforged/neoforge/26.1.2.109/neoforge-26.1.2.109-universal.jar > mixinextras-neoforge-0.5.4.jar))
 - neoforge (jar(~libraries/net/neoforged/neoforge/26.1.2.109/neoforge-26.1.2.109-universal.jar))
 - net.neoforged.fml.generated (empty(VirtualJar/net.neoforged.fml.generated))
 - screenshot_viewer (jar(mods/screenshot_viewer-1.3.6-neoforge-mc26.1x.jar))
[25Sep2026 07:57:41.497] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Built game content classloader in 69ms
[25Sep2026 07:57:41.532] [main/INFO] [mixin/]: Compatibility level set to JAVA_25
[25Sep2026 07:57:41.589] [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
[25Sep2026 07:57:42.419] [main/INFO] [MixinExtras|Service/]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.5.4).
[25Sep2026 07:57:48.608] [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:2985) ~[?:?]
	at java.base/java.lang.Class.getConstructors(Class.java:2025) ~[?:?]
	at net.neoforged.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:91) ~[loader-11.0.15.jar:11.0]
	at net.neoforged.fml.ModLoader.lambda$constructMods$0(ModLoader.java:125) [loader-11.0.15.jar:11.0]
	at net.neoforged.fml.ModLoader.lambda$dispatchParallelTask$3(ModLoader.java:203) [loader-11.0.15.jar:11.0]
	at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:955) [?:?]
	at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:932) [?:?]
	at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:504) [?:?]
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:511) [?:?]
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1450) [?:?]
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2019) [?:?]
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:187) [?:?]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.gui.screens.Screen
	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:377) ~[?:?]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:557) ~[?:?]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490) ~[?:?]
	at net.neoforged.fml.classloading.ModuleClassLoader.loadClass(ModuleClassLoader.java:247) ~[loader-11.0.15.jar:11.0]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490) ~[?:?]
	... 13 more
[25Sep2026 07:57:48.620] [modloading-worker-0/INFO] [net.neoforged.neoforge.common.NeoForgeMod/NEOFORGE-MOD]: NeoForge mod loading, version 26.1.2.109, for MC 26.1.2
[25Sep2026 07:57:48.762] [main/FATAL] [net.neoforged.fml.ModLoader/LOADING]: Failed to wait for future Mod Construction, 1 errors found
[25Sep2026 07:57:48.888] [main/ERROR] [net.minecraft.CrashReport/]: Negative index in crash report handler (0/11)
[25Sep2026 07:57:49.014] [main/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID f230bc25-0875-4ba2-97e9-b34fba955aba
[25Sep2026 07:57:49.015] [main/FATAL] [net.neoforged.neoforge.server.loading.ServerModLoader/]: Crash report saved to ./crash-reports/crash-2026-09-25_07.57.48-fml.txt
[25Sep2026 07:57:49.118] [main/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID 90656c58-89b9-414c-a459-d0d81a74d7be
[25Sep2026 07:57:49.119] [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-11.0.15.jar:11.0]
	at net.neoforged.fml.ModLoader.dispatchParallelTask(ModLoader.java:216) ~[loader-11.0.15.jar:11.0]
	at net.neoforged.fml.ModLoader.constructMods(ModLoader.java:124) ~[loader-11.0.15.jar:11.0]
	at net.neoforged.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:101) ~[loader-11.0.15.jar:11.0]
	at TRANSFORMER/neoforge@26.1.2.109/net.neoforged.neoforge.internal.CommonModLoader.begin(CommonModLoader.java:49) ~[neoforge-26.1.2.109-universal.jar:?]
	at TRANSFORMER/neoforge@26.1.2.109/net.neoforged.neoforge.server.loading.ServerModLoader.load(ServerModLoader.java:30) ~[neoforge-26.1.2.109-universal.jar:?]
	at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.Main.main(Main.java:114) ~[minecraft-server-patched-26.1.2.109.jar:?]
	at net.neoforged.fml.startup.Server.main(Server.java:19) ~[loader-11.0.15.jar:11.0]
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ~[?:?]
	at java.base/java.lang.reflect.Method.invoke(Method.java:565) ~[?:?]
	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:104) ~[?:?]
	at java.base/java.lang.reflect.Method.invoke(Method.java:565) ~[?:?]
	at net.neoforged.serverstarterjar.Main8.main(Main8.java:19) [server.jar:0.1.35]
[25Sep2026 07:57:49.122] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Closing FML Loader 703644ef
[25Sep2026 07:57:49.122] [main/INFO] [net.neoforged.fml.ModLoader/]: Clearing ModLoader