: OptiFineTransformationService.initialize : SpongePowered MIXIN Subsystem Version=0.8.5 Source=union:/C:/Users/hanle/Documents/Twitch/Minecraft/Install/libraries/org/spongepowered/mixin/0.8.5/mixin-0.8.5.jar%2391!/ Service=ModLauncher Env=CLIENT : OptiFine ZIP file: C:\Users\hanle\Documents\Twitch\Minecraft\Instances\create aadventure\mods\OptiFine_1.19.2_HD_U_I1.jar : OptiFine ZIP file URL: union:/C:/Users/hanle/Documents/Twitch/Minecraft/Instances/create%20aadventure/mods/OptiFine_1.19.2_HD_U_I1.jar%23299!/ : ModLauncher 10.0.8+10.0.8+main.0ef7e830 starting: java version 17.0.3 by Microsoft OS Windows 10 arch amd64 version 10.0 I am pretty sure this is the right thing. I am not the best at this kind of stuff so thank you for your help. : A download error occuredĪt .RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:548)Īt .RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:165)Īt .tupHome(FMLRelauncher.java:172)Īt .FMLRelauncher.relaunchServer(FMLRelauncher.java:147)Īt .FMLRelauncher.handleServerRelaunch(FMLRelauncher.java:45)Īt .main(MinecraftServer.java:1365)Ĭaused by: java.io.FileNotFoundException: Īt 0(Native Method)Īt (Unknown Source)Īt (Unknown Source)Īt .newInstance(Unknown Source)Īt (Native Method)Īt .RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:532)Īt (Unknown Source)Īt (Unknown Source)Īt (Unknown Source)Īt .RelaunchLibraryManager.downloadFile(RelaunchLibraryManager.java:531)