org.bukkit.plugin.InvalidPluginException: Cannot find main class `me.brandgrandreal.yagpppcore.YAGPPPCore'
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:80) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProvider.createInstance(SpigotPluginProvider.java:125) ~[paper-1.21.jar:1.21-126-7e44684]
at io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProvider.createInstance(SpigotPluginProvider.java:35) ~[paper-1.21.jar:1.21-126-7e44684]
at io.papermc.paper.plugin.entrypoint.strategy.modern.ModernPluginLoadingStrategy.loadProviders(ModernPluginLoadingStrategy.java:116) ~[paper-1.21.jar:1.21-126-7e44684]
at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:38) ~[paper-1.21.jar:1.21-126-7e44684]
at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:40) ~[paper-1.21.jar:1.21-126-7e44684]
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:546) ~[paper-1.21.jar:1.21-126-7e44684]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:292) ~[paper-1.21.jar:1.21-126-7e44684]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1215) ~[paper-1.21.jar:1.21-126-7e44684]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:330) ~[paper-1.21.jar:1.21-126-7e44684]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
Caused by: java.lang.ClassNotFoundException: me.brandgrandreal.yagpppcore.YAGPPPCore
at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:197) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:164) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
at java.base/java.lang.Class.forName0(Native Method) ~[?:?]
at java.base/java.lang.Class.forName(Class.java:534) ~[?:?]
at java.base/java.lang.Class.forName(Class.java:513) ~[?:?]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:78) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
... 10 more