Describe the bug

Im on a minecraft 1.16.5 version and trying to use SkRayFall but it not working and I have no clue why.

Steps to Reproduce

I have installed and uninstalled it and all addons

Your Script

function welcomeMessage(player):
loop 150 times:
message ""
message "&6[&e&l!&6] &6[&e&l!&6]"
if player is first join:
add 1 to {First.Join}
message ""
message " &eVelkommen til &b%player%"
message " &7Du er nummer &f%{First.Join}%&7, der joinede serveren"
else:
message ""
message "&6[&e&l!&6] &6[&e&l!&6]"

on join:
welcomeMessage(player)

on first join:
welcomeMessage(player)

Screenshots / Errors

11.01 13:38:24 [Server] Server thread/[ERROR] Error occurred while enabling skRayFall v1.9.25 (Is it up to date?)
11.01 13:38:24 [Server] [INFO] java.lang.IllegalArgumentException: Can't register net.rayfall.eyesniper2.skrayfall.bossbar.RayFallBarColor with the code name bossbarcolor because that name is already used by bossbarcolors, bossbarcolours, bossbar colours, bar colours, bossbar colors, bar colors, barcolour
11.01 13:38:24 [Server] [INFO] at ch.njol.skript.registrations.Classes.registerClass(Classes.java:95) ~[?:?]
11.01 13:38:24 [Server] [INFO] at net.rayfall.eyesniper2.skrayfall.TypeManager.registerV1_9Elements(TypeManager.java:78) ~[?:?]
11.01 13:38:24 [Server] [INFO] at net.rayfall.eyesniper2.skrayfall.TypeManager.registerSyntax(TypeManager.java:30) ~[?:?]
11.01 13:38:24 [Server] [INFO] at net.rayfall.eyesniper2.skrayfall.Core.onEnable(Core.java:70) ~[?:?]
11.01 13:38:24 [Server] [INFO] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:518) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:432) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at net.minecraft.server.v1_16_R3.MinecraftServer.loadWorld(MinecraftServer.java:599) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:298) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1074) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:291) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at java.lang.Thread.run(Thread.java:829) [?:?]
11.01 13:38:24 [Server] Server thread/[INFO] Disabling skRayFall v1.9.25
11.01 13:38:24 [Server] Server thread/[INFO] Bacon has been eaten. Make some more soon!
11.01 13:38:24 [Server] Server thread/[ERROR] Error occurred while disabling skRayFall v1.9.25 (Is it up to date?)
11.01 13:38:24 [Server] [INFO] java.lang.NullPointerException: null
11.01 13:38:24 [Server] [INFO] at net.rayfall.eyesniper2.skrayfall.Core.onDisable(Core.java:126) ~[?:?]
11.01 13:38:24 [Server] [INFO] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:265) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:405) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:533) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:374) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:518) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:432) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at net.minecraft.server.v1_16_R3.MinecraftServer.loadWorld(MinecraftServer.java:599) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:298) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1074) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:291) ~[patched_1.16.5.jar:git-Paper-"fa1a7c180"]
11.01 13:38:24 [Server] [INFO] at java.lang.Thread.run(Thread.java:829) [?:?]

Server Information

• Server Version and Type: 1.16.5
• Skript Version: newest 2.8.0
• skRayFall Version: 1.19.25
• Additional Plugins: none there have anything to do with skripts

Additional Information