---- Minecraft Crash Report ---- // I bet Cylons wouldn't have this problem. Time: 2026-09-03 07:11:14 Description: Loading library SPNG java.lang.NoClassDefFoundError: org/lwjgl/util/spng/SPNG at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadSPNG(NativeLibrariesBootstrap.java:346) at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibrary(NativeLibrariesBootstrap.java:202) at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibraries(NativeLibrariesBootstrap.java:106) at net.minecraft.client.main.Main.main(Main.java:142) at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:100) at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129) at org.prismlauncher.EntryPoint.main(EntryPoint.java:70) Caused by: java.lang.ClassNotFoundException: org.lwjgl.util.spng.SPNG at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:580) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490) ... 7 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: main Stacktrace: at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadSPNG(NativeLibrariesBootstrap.java:346) at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibrary(NativeLibrariesBootstrap.java:202) at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibraries(NativeLibrariesBootstrap.java:106) -- Library directory contents -- Details: Contents of java.library.path : Contents of org.lwjgl.librarypath: freetype.dll: module: Font Rendering Library:2.14.3:The FreeType Project jemalloc.dll: application/x-msdownload lwjgl.dll: application/x-msdownload lwjgl_opengl.dll: application/x-msdownload lwjgl_stb.dll: application/x-msdownload lwjgl_vma.dll: application/x-msdownload OpenAL.dll: module: Main implementation library:1.25.2: SDL3.dll: module: SDL:3, 4, 12, 0: shaderc.dll: application/x-msdownload spirv-cross.dll: application/x-msdownload LWJGL platform: WINDOWS LWJGL architecture: X64 Stacktrace: at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibrary(NativeLibrariesBootstrap.java:202) at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibraries(NativeLibrariesBootstrap.java:106) at net.minecraft.client.main.Main.main(Main.java:142) at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:100) at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129) at org.prismlauncher.EntryPoint.main(EntryPoint.java:70) -- LWJGL debug log -- Details: Log: Stacktrace: at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibrary(NativeLibrariesBootstrap.java:202) at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibraries(NativeLibrariesBootstrap.java:106) at net.minecraft.client.main.Main.main(Main.java:142) at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:100) at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129) at org.prismlauncher.EntryPoint.main(EntryPoint.java:70) -- Libraries loaded -- Details: Loading order: spvc,OpenGL,OpenAL,SPNG,STB,freetype,vma,SDL,shaderc Loading index: 3 Stacktrace: at com.mojang.blaze3d.platform.NativeLibrariesBootstrap.loadLibraries(NativeLibrariesBootstrap.java:106) at net.minecraft.client.main.Main.main(Main.java:142) at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:100) at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129) at org.prismlauncher.EntryPoint.main(EntryPoint.java:70) -- Initialization -- Details: Modules: ADVAPI32.dll:Advanced Windows 32 Base API:10.0.22621.5124 (WinBuild.160101.0800):Microsoft Corporation AVRT.dll:Multimedia Realtime Runtime:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation CFGMGR32.dll:Configuration Manager DLL:10.0.22621.2506 (WinBuild.160101.0800):Microsoft Corporation COMCTL32.dll:User Experience Controls Library:6.10 (WinBuild.160101.0800):Microsoft Corporation CRYPTBASE.dll:Base cryptographic API DLL:10.0.22621.4746 (WinBuild.160101.0800):Microsoft Corporation CRYPTSP.dll:Cryptographic Service Provider API:10.0.22621.6060 (WinBuild.160101.0800):Microsoft Corporation DBGHELP.DLL:Windows Image Helper:10.0.22621.5471 (WinBuild.160101.0800):Microsoft Corporation DNSAPI.dll:DNS Client API DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation GDI32.dll:GDI Client DLL:10.0.22621.5697 (WinBuild.160101.0800):Microsoft Corporation GLU32.dll:OpenGL Utility Library DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation IMM32.DLL:Multi-User Windows IMM32 API Client DLL:10.0.22621.5697 (WinBuild.160101.0800):Microsoft Corporation IPHLPAPI.DLL:IP Helper API:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation KERNEL32.DLL:Windows NT BASE API Client DLL:10.0.22621.5624 (WinBuild.160101.0800):Microsoft Corporation KERNELBASE.dll:Windows NT BASE API Client DLL:10.0.22621.5624 (WinBuild.160101.0800):Microsoft Corporation MpOav.dll:IOfficeAntiVirus Module:4.18.26080.3 (9e1f3147fbc83f18a98a965394a23e07747d7295):Microsoft Corporation NSI.dll:NSI User-mode interface DLL:10.0.22621.4746 (WinBuild.160101.0800):Microsoft Corporation OLEAUT32.dll:OLEAUT32.DLL:10.0.22621.5697 (WinBuild.160101.0800):Microsoft Corporation OpenAL.dll:Main implementation library:1.25.2: POWRPROF.dll:Power Profile Helper DLL:10.0.22621.3374 (WinBuild.160101.0800):Microsoft Corporation PSAPI.DLL:Process Status Helper:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation Pdh.dll:Windows Performance Data Helper DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation RPCRT4.dll:Remote Procedure Call Runtime:10.0.22621.2506 (WinBuild.160101.0800):Microsoft Corporation SHCORE.dll:SHCORE:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation SHELL32.dll:Windows Shell Common Dll:10.0.22621.6060 (WinBuild.160101.0800):Microsoft Corporation UMPDC.dll:User Mode Power Dependency Coordinator:10.0.22621.5124 (WinBuild.160101.0800):Microsoft Corporation USER32.dll:Multi-User Windows USER API Client DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation USERENV.dll:Userenv:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation VCRUNTIME140.dll:Microsoft® C Runtime Library:14.42.34438.0:Microsoft Corporation VERSION.dll:Version Checking and File Installation Libraries:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation WINMM.dll:MCI API DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation WINSTA.dll:Winstation Library:10.0.22621.6060 (WinBuild.160101.0800):Microsoft Corporation WS2_32.dll:Windows Socket 2.0 32-Bit DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation Wtsapi32.dll:Windows Remote Desktop Session Host Server SDK APIs:10.0.22621.5547 (WinBuild.160101.0800):Microsoft Corporation amsi.dll:Anti-Malware Scan Interface:10.0.22621.3527 (WinBuild.160101.0800):Microsoft Corporation bcrypt.dll:Windows Cryptographic Primitives Library:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation bcryptPrimitives.dll:Windows Cryptographic Primitives Library:10.0.22621.4317 (WinBuild.160101.0800):Microsoft Corporation clbcatq.dll:COM+ Configuration Catalog:2001.12.10941.16384 (WinBuild.160101.0800):Microsoft Corporation combase.dll:Microsoft COM for Windows:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation dbgcore.DLL:Windows Core Debugging Helpers:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation dxcore.dll:DXCore:10.0.22621.5415 (WinBuild.160101.0800):Microsoft Corporation fwpuclnt.dll:FWP/IPsec User-Mode API:10.0.22621.5697 (WinBuild.160101.0800):Microsoft Corporation gdi32full.dll:GDI Client DLL:10.0.22621.6133 (WinBuild.160101.0800):Microsoft Corporation java.dll:Java(TM) Platform SE binary:25.0.2.0:N/A java.exe:Java(TM) Platform SE binary:25.0.2.0:N/A jemalloc.dll jimage.dll:Java(TM) Platform SE binary:25.0.2.0:N/A jli.dll:Java(TM) Platform SE binary:25.0.2.0:N/A jna1712440245865379814.dll:JNA native library:7.0.2:Java(TM) Native Access (JNA) jvm.dll:Java HotSpot(TM) 64-Bit server VM:25.0.2.0:N/A kernel.appcore.dll:AppModel API Host:10.0.22621.3958 (WinBuild.160101.0800):Microsoft Corporation lwjgl.dll lwjgl_opengl.dll management.dll:Java(TM) Platform SE binary:25.0.2.0:N/A management_ext.dll:Java(TM) Platform SE binary:25.0.2.0:N/A msvcp140.dll:Microsoft® C Runtime Library:14.42.34438.0:Microsoft Corporation msvcp_win.dll:Microsoft® C Runtime Library:10.0.22621.3374 (WinBuild.160101.0800):Microsoft Corporation msvcrt.dll:Windows NT CRT DLL:7.0.22621.2506 (WinBuild.160101.0800):Microsoft Corporation mswsock.dll:Microsoft Windows Sockets 2.0 Service Provider:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation napinsp.dll:E-mail Naming Shim Provider:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation net.dll:Java(TM) Platform SE binary:25.0.2.0:N/A nio.dll:Java(TM) Platform SE binary:25.0.2.0:N/A nlansp_c.dll:NLA Namespace Service Provider DLL:10.0.22621.5331 (WinBuild.160101.0800):Microsoft Corporation ntdll.dll:NT Layer DLL:10.0.22621.5624 (WinBuild.160101.0800):Microsoft Corporation ole32.dll:Microsoft OLE for Windows:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation opengl32.dll:OpenGL Client DLL:10.0.22621.5415 (WinBuild.160101.0800):Microsoft Corporation perfos.dll:Windows System Performance Objects DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation perfproc.dll:Windows System Process Performance Objects DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation pfclient.dll:SysMain Client:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation pnrpnsp.dll:PNRP Name Space Provider:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation profapi.dll:User Profile Basic API:10.0.22621.5840 (WinBuild.160101.0800):Microsoft Corporation rasadhlp.dll:Remote Access AutoDial Helper:10.0.22621.6199 (WinBuild.160101.0800):Microsoft Corporation rsaenh.dll:Microsoft Enhanced Cryptographic Provider:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation sechost.dll:Host for SCM/SDDL/LSA Lookup APIs:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation shlwapi.dll:Shell Light-weight Utility Library:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation spirv-cross.dll ucrtbase.dll:Microsoft® C Runtime Library:10.0.22621.3593 (WinBuild.160101.0800):Microsoft Corporation vcruntime140_1.dll:Microsoft® C Runtime Library:14.42.34438.0:Microsoft Corporation verify.dll:Java(TM) Platform SE binary:25.0.2.0:N/A vulkan-1.dll:Vulkan Loader:1.4.341.0: win32u.dll:Win32u:10.0.22621.6199 (WinBuild.160101.0800):Microsoft Corporation windows.storage.dll:Microsoft WinRT Storage API:10.0.22621.3527 (WinBuild.160101.0800):Microsoft Corporation winrnr.dll:LDAP RnR Provider DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation wintypes.dll:Windows Base Types DLL:10.0.22621.1 (WinBuild.160101.0800):Microsoft Corporation wshbth.dll:Windows Sockets Helper DLL:10.0.22621.5840 (WinBuild.160101.0800):Microsoft Corporation zip.dll:Java(TM) Platform SE binary:25.0.2.0:N/A Stacktrace: at net.minecraft.client.main.Main.main(Main.java:142) at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:100) at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129) at org.prismlauncher.EntryPoint.main(EntryPoint.java:70) -- System Details -- Details: Minecraft Version: 26.3 Pre-Release 1 Minecraft Version ID: 26.3-pre-1 Operating System: Windows 11 (amd64) version 10.0 Java Version: 25.0.2, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation Memory: 278777112 bytes (265 MiB) / 538968064 bytes (514 MiB) up to 4294967296 bytes (4096 MiB) Memory (heap): init: 512MiB, used: 247MiB, committed: 514MiB, max: 4096MiB Memory (non-heap): init: 007MiB, used: 030MiB, committed: 032MiB, max: 000MiB CPUs: 16 Processor Vendor: AuthenticAMD Processor Name: AMD Ryzen 7 7800X3D 8-Core Processor Identifier: AuthenticAMD Family 25 Model 97 Stepping 2 Microarchitecture: Zen 3 Frequency (GHz): 4.19 Number of physical packages: 1 Number of physical CPUs: 8 Number of logical CPUs: 16 Graphics card #0 name: AMD Radeon(TM) Graphics Graphics card #0 vendor: Advanced Micro Devices, Inc. Graphics card #0 VRAM (MiB): 512.00 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 31.0.24002.92 Graphics card #1 name: NVIDIA GeForce RTX 4070 Graphics card #1 vendor: NVIDIA Graphics card #1 VRAM (MiB): 12282.00 Graphics card #1 deviceId: VideoController2 Graphics card #1 versionInfo: 32.0.16.1062 Memory slot #0 capacity (MiB): 32768.00 Memory slot #0 clockSpeed (GHz): 4.80 Memory slot #0 type: DDR5 Memory slot #1 capacity (MiB): 32768.00 Memory slot #1 clockSpeed (GHz): 4.80 Memory slot #1 type: DDR5 Virtual memory max (MiB): 87188.61 Virtual memory used (MiB): 39420.96 Swap memory total (MiB): 22528.00 Swap memory used (MiB): 559.87 Space in storage for jna.tmpdir (MiB): Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): Space in storage for io.netty.native.workdir (MiB): Space in storage for java.io.tmpdir (MiB): available: 26827.96, total: 953041.25 Space in storage for workdir (MiB): available: 191679.39, total: 1907713.00 Operating System Version: Microsoft Windows 11 build 22631 Process Elevated: false Process Loads: Uptime: 2s, user: 1s (36.41%), kernel: 1s (29.78%), total: 1s (66.19%) Process Virtual Size (MiB): 1885.84 Process Resident Size (MiB): 386.88 JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms512m -Xmx4096m Debug Flags: 0 total; Launched Version: 26.3-pre-1 Launcher name: PrismLauncher Backend library: LWJGL version 3.4.2+13 Window size: Surface Info: SDL Platform: Windows Graphics Device: GL debug messages: Is Modded: Probably not. Client jar signature and brand is untouched Universe: 404 Type: Client Locale: en_US System encoding: Cp1252 File encoding: UTF-8 CPU: 16x AMD Ryzen 7 7800X3D 8-Core Processor