✓ ⚔ Ultimate Sheep Wars ⚔ [1.8.8→1.12] [Kits] [Boosters] [MySQL] [Vault/LeaderHeads Support] [API] 5.0.7

18 INFO]: [UltimateSheepWars] Starting ...
[15:15:20 ERROR]: Error occurred while enabling UltimateSheepWars v5.0.7 (Is it up to date?)
java.lang.RuntimeException: *** BYTECODE EDITION DETECTED ***
at z.a.a(Unknown Source) ~[?:?]
at z.a.a(Unknown Source) ~[?:?]
at fr.royalpha.sheepwars.core.SheepWarsPlugin.onEnable(Unknown Source) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[server.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [server.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [server.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:357) [server.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317) [server.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414) [server.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:378) [server.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:333) [server.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263) [server.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [server.jar:git-Spigot-21fe707-e1ebe52]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202