Error on enable server paper 1.20.6

[notapacman]

[08:53:01] [Server thread/ERROR]: Error occurred while enabling Neptune v1.41 (Is it up to date?) java.lang.ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3 at Neptune (1).jar/dev.lrxh.versioncontroll.VersionControll.(VersionControll.java:15) ~[Neptune (1).jar:?] at Neptune (1).jar/dev.lrxh.neptune.Neptune.loadManager(Neptune.java:108) ~[Neptune (1).jar:?] at Neptune (1).jar/dev.lrxh.neptune.Neptune.onEnable(Neptune.java:104) ~[Neptune (1).jar:?] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:288) ~[paper-api-1.20.6-R0.1-SNAPSHOT.jar:?] at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:202) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:109) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:520) ~[paper-api-1.20.6-R0.1-SNAPSHOT.jar:?] at org.bukkit.craftbukkit.CraftServer.enablePlugin(CraftServer.java:626) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:575) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:675) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:437) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:323) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1136) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:323) ~[paper-1.20.6.jar:1.20.6-148-20f5165] at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]

[Devlrxxh]

1.20.6 isn't suppored only till 1.20.4