[2026-01-07 00:28:04.068] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: CrashAssistantApp running: JVM args: [-XX:ThreadPriorityPolicy=1, -XX:+UnlockExperimentalVMOptions, -XX:+EnableJVMCIProduct, -XX:-UnlockExperimentalVMOptions, -XX:ThreadPriorityPolicy=1, -XX:+UnlockExperimentalVMOptions, -XX:+EnableJVMCIProduct, -XX:-UnlockExperimentalVMOptions, -XX:+UseSerialGC, -XX:MaxHeapFreeRatio=30, -XX:MinHeapFreeRatio=10, -XX:MaxGCPauseMillis=10000, -Xms8m, -Xmx512m]
[2026-01-07 00:28:04.071] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: CrashAssistantApp running: program args: [-jarPath, local\crash_assistant\20420_1767742077723_app.jar, -parentPID, 20420, -parentStarted, 1767742077723, -platform, NEOFORGE, -loaderJarName, neoforge-21.1.217, -minecraftVersion, 1.21.1, -childProcessesPIDs, VU5ERUZJTkVE, -crashAssistantModJarName, CrashAssistant-neoforge-1.20.6-1.21.4-1.10.28.jar, -classPath, local\crash_assistant\20420_1767742077723_app.jar;local\crash_assistant\20420_1767742077723_mod.jar;C:\Users\********\AppData\Roaming\ATLauncher\libraries\org\apache\logging\log4j\log4j-api\2.22.1\log4j-api-2.22.1.jar;C:\Users\********\AppData\Roaming\ATLauncher\libraries\org\apache\logging\log4j\log4j-core\2.22.1\log4j-core-2.22.1.jar;C:\Users\********\AppData\Roaming\ATLauncher\libraries\com\google\code\gson\gson\2.10.1\gson-2.10.1.jar;C:\Users\********\AppData\Roaming\ATLauncher\libraries\commons-io\commons-io\2.15.1\commons-io-2.15.1.jar;C:\Users\********\AppData\Roaming\ATLauncher\libraries\net\java\dev\jna\jna\5.14.0\jna-5.14.0.jar;C:\Users\********\AppData\Roaming\ATLauncher\libraries\net\java\dev\jna\jna-platform\5.14.0\jna-platform-5.14.0.jar, -parentXms, unknown, -parentXmx, 10000M, -systemRAM, 23.7g, -processor, QU1EIFJ5emVuIDcgNzQzNUhTICAgICAgICAgICAgICAgICAgICAgICAgICAgICA=, -serialisedGPUs, VnVsa2FuIEdQVSBkZXRlY3Rpb24gYWRkb24gbm90IGZvdW5kLCBmYWxsaW5nIGJhY2sgdG8gRGlyZWN0WApTdWNjZXNzZnVsbHkgZGV0ZWN0ZWQgR1BVcyB1c2luZyBEaXJlY3RYOgpERURJQ0FURUQgOiBOVklESUEgR2VGb3JjZSBSVFggNDA3MCBMYXB0b3AgR1BVCg0K]
[2026-01-07 00:28:04.072] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: CrashAssistantApp running from: C:\Users\********\AppData\Roaming\ATLauncher\instances\BetterMCNEOFORGEBMC5
[2026-01-07 00:28:04.072] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: crashAssistantJarName: CrashAssistant-neoforge-1.20.6-1.21.4-1.10.28.jar
[2026-01-07 00:28:04.073] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Parent PID: 20420
[2026-01-07 00:28:04.073] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Parent started: 1767742077723
[2026-01-07 00:28:04.075] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Platform: NEOFORGE
[2026-01-07 00:28:04.075] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: loaderJarName: neoforge-21.1.217
[2026-01-07 00:28:04.075] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: minecraftVersion: 1.21.1
[2026-01-07 00:28:04.075] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: childProcessesPIDs: UNDEFINED
[2026-01-07 00:28:04.076] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: parentXms: unknown
[2026-01-07 00:28:04.076] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: parentXmx: 10000M
[2026-01-07 00:28:04.076] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: systemRAM: 23.7g
[2026-01-07 00:28:04.076] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: processor: AMD Ryzen 7 7435HS
[2026-01-07 00:28:04.076] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Boot.serialisedGPUs:
Vulkan GPU detection addon not found, falling back to DirectX
Successfully detected GPUs using DirectX:
DEDICATED : NVIDIA GeForce RTX 4070 Laptop GPU
[2026-01-07 00:28:04.077] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: os.name: windows 11
[2026-01-07 00:28:04.080] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Java path: C:\Users\********\Java\graalvm-jdk-21.0.9+7.1\bin\javaw.exe
[2026-01-07 00:28:04.081] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Java version: 21.0.9+7-LTS-jvmci-23.1-b79
[2026-01-07 00:28:04.104] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: CrashAssistantApp started successfully. Waiting for PID 20420 to stop.
[2026-01-07 00:28:51.118] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Minecraft is running on renderer:
NVIDIA GeForce RTX 4070 Laptop GPU/PCIe/SSE2
[2026-01-07 00:31:18.010] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: PID "20420" is not alive or reused by another process. Minecraft JVM appears to have stopped.
[2026-01-07 00:31:18.091] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Adding latest.log from C:\Users\********\AppData\Roaming\ATLauncher\instances\BetterMCNEOFORGEBMC5\logs\latest.log
[2026-01-07 00:31:18.095] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Adding debug.log from C:\Users\********\AppData\Roaming\ATLauncher\instances\BetterMCNEOFORGEBMC5\logs\debug.log
[2026-01-07 00:31:18.098] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: stderr_stream.log size: 386 bytes
[2026-01-07 00:31:18.105] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Adding atlauncher.log from C:\Users\********\AppData\Roaming\ATLauncher\instances\BetterMCNEOFORGEBMC5\..\..\logs\atlauncher.log
[2026-01-07 00:31:18.110] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Skipping duplicate log as it's already added to the list: C:\Users\********\AppData\Roaming\AtLauncher\logs\atlauncher.log
[2026-01-07 00:31:18.118] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Adding crash_assistant_app.log from C:\Users\********\AppData\Roaming\ATLauncher\instances\BetterMCNEOFORGEBMC5\logs\crash_assistant\crash_assistant_app.log
[2026-01-07 00:31:18.119] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Reached first tick of TitleScreen: true
[2026-01-07 00:31:18.119] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Joined world successfully: true
[2026-01-07 00:31:18.120] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: stop() function of Minecraft fired: false
[2026-01-07 00:31:18.120] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: close() function of Minecraft failed: false
[2026-01-07 00:31:18.121] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: emergencySave() function of Minecraft fired: false
[2026-01-07 00:31:18.132] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: isModpackCreator: false
[2026-01-07 00:31:18.137] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: isHelpLinkDefault: false
[2026-01-07 00:31:18.144] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: helpLink: https://discord.gg/lunapixel
[2026-01-07 00:31:18.145] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Seems like Minecraft crashed without any crash report. Starting Crash Assistant app.
[2026-01-07 00:31:19.530] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: CrashAssistantGUI took to start: 1.518 seconds.
[2026-01-07 00:31:19.635] [INFO] [dev.kostromdan.mods.crash_assistant.common_config.mod_list.ModListUtils]: Parsed 326 mod(s) metadata in 86 ms
[2026-01-07 00:31:19.669] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Adding modlist.txt from C:\Users\********\AppData\Roaming\ATLauncher\instances\BetterMCNEOFORGEBMC5\logs\modlist.txt
[2026-01-07 00:31:19.957] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Showing IncompatibleModsWarning about Essential_1-3-10-4_neoforge_1-21-1.jar
[2026-01-07 00:31:21.341] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Time to locate terminated process: 3195
[2026-01-07 00:31:31.478] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Shown IncompatibleModsWarning about Essential_1-3-10-4_neoforge_1-21-1.jar
[2026-01-07 00:31:31.485] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Adding win_event1767742281156.txt from C:\Users\********\AppData\Roaming\ATLauncher\instances\BetterMCNEOFORGEBMC5\win_event1767742281156.txt
[2026-01-07 00:31:31.543] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Reading finished in 26 ms
[2026-01-07 00:31:31.578] [WARN] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Skipping MixinApply analysis due to it's in beta and game ran by the end user of this modpack.
[2026-01-07 00:31:31.594] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Analysis finished in 102 ms
[2026-01-07 00:31:31.597] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Showing KnownCrashReason: ModernFixWatchDog
We detected a message at the end of **latest.log** from the IntegratedWatchdog about a server tick taking way longer than it should have:
**A single server tick has taken 40001, more than 40000 milliseconds**
If you were not doing something extremely demanding, like using WorldEdit to change trillions of blocks,
this likely means the Integrated Server has **deadlocked**.
A **deadlock** happens when parts of the game are waiting for each other and preventing anything from continuing,
like a traffic jam where every car is blocking another.
To fix this crash, check the **thread dump** at the end of the log: it shows which parts of the game were waiting for each other.
This can be hard to understand without technical knowledge.
You can try using some advanced reasoning LLM to analyze the **thread dump**; it may help identify the mod causing the issue.
If this happened in an unmodified modpack, please report it to the developers: it shouldn't happen.
[2026-01-07 00:32:49.929] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Shown KnownCrashReason: ModernFixWatchDog (Seen warning for 78.316s)
[2026-01-07 00:32:49.929] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Showing KnownCrashReason: WasClosedByWindows
If this crash happened while loading or closing the game or a level, it was likely caused by pressing keys or clicking the mouse.
The error 'The program javaw.exe version ... stopped interacting with Windows and was closed'
in **win_event1767742281156.txt** means that the game froze.
To avoid this, try letting the game load/close fully: **DO NOT CLICK ANYTHING**, **DO NOT PRESS ANY KEY**, **DO NOT CLICK END PROCESS**.
If the crash occurred during gameplay, just press OK and ignore this message.
[2026-01-07 00:32:51.537] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Shown KnownCrashReason: WasClosedByWindows (Seen warning for 1.587s)
[2026-01-07 00:32:51.540] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Reading finished in 79941 ms
[2026-01-07 00:32:51.543] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: Analysis finished in 79946 ms
[2026-01-07 00:32:57.876] [INFO] [dev.kostromdan.mods.crash_assistant.app.CrashAssistantApp]: IP-like version replacements computed: [0∙4∙3∙21, 2∙2∙4∙4, 19∙0∙0∙1, 5∙0∙0∙7, 3∙0∙2∙1, 4∙1∙0∙3, 1∙21∙1∙11, 4∙1∙0∙8, 2∙1∙0∙0, 19∙27∙0∙339, 1∙25∙12∙4, 0∙12∙15∙5, 0∙1∙8∙1, 0∙1∙5∙1, 0∙1∙4∙1, 1∙2∙10∙1, 0∙1∙0∙1, 10∙1∙0∙3, 0∙8∙5∙8, 0∙7∙5∙7, 1∙1∙4∙3, 1∙25∙12∙3]