J'ai le même problème, voici mon rapport d'erreur. Une solution ?
[12oct.2021 20:51:38.341] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--username, GM_Darwhite, --version, 1.17.1-forge-37.0.85, --gameDir, C:\Users\dario\AppData\Roaming\.minecraft, --assetsDir, C:\Users\dario\AppData\Roaming\.minecraft\assets, --assetIndex, 1.17, --uuid, 11bc0dd258384152985a6fe894b4311b, --accessToken, ????????, --userType, mojang, --versionType, release, --launchTarget, forgeclient, --fml.forgeVersion, 37.0.85, --fml.mcVersion, 1.17.1, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20210706.113038]
[12oct.2021 20:51:38.350] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 9.0.7+91+master.8569cdf starting: java version 16.0.1 by Microsoft
[12oct.2021 20:51:38.366] [main/DEBUG] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Found launch services [fmlclientdev,forgeclient,minecraft,fmlserveruserdev,fmlclient,fmldatauserdev,forgeserverdev,forgeserveruserdev,forgeclientdev,forgeclientuserdev,forgeserver,forgedatadev,fmlserver,fmlclientuserdev,fmlserverdev,forgedatauserdev,testharness]
[12oct.2021 20:51:38.382] [main/DEBUG] [cpw.mods.modlauncher.NameMappingServiceHandler/MODLAUNCHER]: Found naming services : [srgtomcp]
[12oct.2021 20:51:38.394] [main/DEBUG] [cpw.mods.modlauncher.LaunchPluginHandler/MODLAUNCHER]: Found launch plugins: [mixin,eventbus,object_holder_definalize,runtime_enum_extender,capability_token_subclass,capability_inject_definalize,accesstransformer,runtimedistcleaner]
[12oct.2021 20:51:38.404] [main/DEBUG] [cpw.mods.modlauncher.TransformationServicesHandler/MODLAUNCHER]: Discovering transformation services
[12oct.2021 20:51:38.417] [main/DEBUG] [cpw.mods.modlauncher.TransformationServicesHandler/MODLAUNCHER]: Found additional transformation services from discovery services: java.util.stream.ReferencePipeline$3@4bf3798b
