[12:20:57 INFO]: [Denizen] Enabling Denizen v1.2.8-SNAPSHOT (build 1797-REL)
[12:20:57 INFO]: +> [DenizenCore] Initializing Denizen Core v1.91.0-SNAPSHOT (Build 1357), impl for Spigot v1.2.8-SNAPSHOT (build 1797-REL)
[12:20:58 INFO]: +> [Denizen] Running on java version: 17.0.7
[12:20:58 INFO]: +> [Denizen] Running on fully supported Java 17.
[12:20:58 ERROR]: Error occurred while enabling Denizen v1.2.8-SNAPSHOT (build 1797-REL) (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_20_R1/inventory/CraftInventoryCustom
        at com.denizenscript.denizen.nms.v1_20.Handler.<clinit>(Handler.java:260) ~[Denizen-1.2.8-b1797-REL.jar:?]
        at java.lang.Class.forName0(Native Method) ~[?:?]
        at java.lang.Class.forName(Class.java:375) ~[?:?]
        at com.denizenscript.denizen.nms.NMSHandler.initialize(NMSHandler.java:55) ~[Denizen-1.2.8-b1797-REL.jar:?]
        at com.denizenscript.denizen.Denizen.onEnable(Denizen.java:152) ~[Denizen-1.2.8-b1797-REL.jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:281) ~[paper-api-1.20.2-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:189) ~[paper-1.20.2.jar:git-Paper-225]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:104) ~[paper-1.20.2.jar:git-Paper-225]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:507) ~[paper-api-1.20.2-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.v1_20_R2.CraftServer.enablePlugin(CraftServer.java:644) ~[paper-1.20.2.jar:git-Paper-225]
        at org.bukkit.craftbukkit.v1_20_R2.CraftServer.enablePlugins(CraftServer.java:555) ~[paper-1.20.2.jar:git-Paper-225]
        at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:627) ~[paper-1.20.2.jar:git-Paper-225]
        at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:424) ~[paper-1.20.2.jar:git-Paper-225]
        at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:308) ~[paper-1.20.2.jar:git-Paper-225]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1086) ~[paper-1.20.2.jar:git-Paper-225]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:315) ~[paper-1.20.2.jar:git-Paper-225]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_20_R1.inventory.CraftInventoryCustom
        at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:183) ~[paper-api-1.20.2-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:150) ~[paper-api-1.20.2-R0.1-SNAPSHOT.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?]
        ... 17 more
[12:20:58 INFO]: [Denizen] Disabling Denizen v1.2.8-SNAPSHOT (build 1797-REL)