This plugins cannot be loaded

[lilith-rong]

It shows:
ERROR:PluginManager 无法启用插件：GCAuth_OAuth
java.lang.NoClassDefFoundError: emu/grasscutter/Configuration
at com.xtaolabs.gcauth_oauth.GCAuth_OAuth.onEnable(GCAuth_OAuth.java:23)
at emu.grasscutter.plugin.PluginManager.lambda$enablePlugins$2(PluginManager.java:202)
at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:721)
at emu.grasscutter.plugin.PluginManager.enablePlugins(PluginManager.java:199)
at emu.grasscutter.Grasscutter.main(Grasscutter.java:160)
Caused by: java.lang.ClassNotFoundException: emu.grasscutter.Configuration
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:588)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 5 common frames omitted