18:46:48] [Server thread/ERROR]: Error occurred while enabling SiteDonate v1.0 (Is it up to date?)
java.lang.UnsupportedClassVersionError: ru/neongc/site/donate/DonateCommand has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_201]
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[?:1.8.0_201]
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_201]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:152) ~[patched_1.12.2.jar:git-Paper-1618]
	at org.bukkit.plugin.java.JavaPluginLoader.getClassByName(JavaPluginLoader.java:189) ~[patched_1.12.2.jar:git-Paper-1618]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:115) ~[patched_1.12.2.jar:git-Paper-1618]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:104) ~[patched_1.12.2.jar:git-Paper-1618]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_201]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_201]
	at ru.neongc.site.donate.SiteDonate.onEnable(SiteDonate.java:15) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[patched_1.12.2.jar:git-Paper-1618]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:316) ~[patched_1.12.2.jar:git-Paper-1618]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) ~[patched_1.12.2.jar:git-Paper-1618]
	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:395) ~[patched_1.12.2.jar:git-Paper-1618]
	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:344) ~[patched_1.12.2.jar:git-Paper-1618]
	at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:442) ~[patched_1.12.2.jar:git-Paper-1618]
	at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:403) ~[patched_1.12.2.jar:git-Paper-1618]
	at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:341) ~[patched_1.12.2.jar:git-Paper-1618]
	at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:289) ~[patched_1.12.2.jar:git-Paper-1618]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616) ~[patched_1.12.2.jar:git-Paper-1618]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]