I am using things from the plugin and I get a bug in my console [15:17:08 ERROR] : Could not pass event ProjectileHitEvent to UltraCosmetics v2.5.11 org.bukkit.event.EventException: null at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~ [spigot.jar:git-Spigot-dcd1643-e60fc34] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~ [spigot.jar:git-Spigot-dcd1643-e60fc34] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) [spigot.jar:git-Spigot-dcd1643-e60fc34] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) [spigot.jar:git-Spigot-dcd1643-e60fc34] at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callProjectileHitEvent(CraftEventFactory.java:803) [spigot.jar:git-Spigot-dcd1643-e60fc34]