Items adder wont enable when trying to use it even though it works on my other servers, ill provide the server logs for it.
[16:09:47] [Server thread/INFO]: [ItemsAdder] Loading server plugin ItemsAdder v3.6.3-beta-13
[16:09:47] [Server thread/WARN]: Cannot load file: config.yml
[16:09:47] [Server thread/WARN]: [ItemsAdder] Error: org.yaml.snakeyaml.error.YAMLException: Nesting Depth exceeded max 50
[16:09:47] [Server thread/ERROR]: [ItemsAdder] Error initializing plugin 'ItemsAdder_3.6.3-beta-13 (1).jar' in folder 'plugins' (Is it up to date?)
java.lang.NullPointerException: Cannot invoke "org.bukkit.configuration.file.FileConfiguration.getString(String, String)" because "this.a" is null
at ia.m.re.d(SourceFile:473) ~[ItemsAdder_3.6.3-beta-13 (1).jar:?]
at dev.lone.itemsadder.Main.bP(SourceFile:576) ~[ItemsAdder_3.6.3-beta-13 (1).jar:?]
at dev.lone.itemsadder.Main.onLoad(SourceFile:180) ~[ItemsAdder_3.6.3-beta-13 (1).jar:?]
at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59) ~[paper-1.20.1.jar:git-Paper-196]
at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18) ~[paper-1.20.1.jar:git-Paper-196]
at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:40) ~[paper-1.20.1.jar:git-Paper-196]
at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:36) ~[paper-1.20.1.jar:git-Paper-196]
at org.bukkit.craftbukkit.v1_20_R1.CraftServer.loadPlugins(CraftServer.java:510) ~[paper-1.20.1.jar:git-Paper-196]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:273) ~[paper-1.20.1.jar:git-Paper-196]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1100) ~[paper-1.20.1.jar:git-Paper-196]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[paper-1.20.1.jar:git-Paper-196]
at java.lang.Thread.run(Thread.java:840) ~[?:?]
