✓ Mentioned 1.15

thanks but this error appears [21:59:19] [Server thread/ERROR]: Could not load 'plugins/Mentioned-CRACKED.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: Cannot find main class `me.kyllian.mentioned.Mentioned'
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:66) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:198) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112]
Caused by: java.lang.ClassNotFoundException: me.kyllian.mentioned.Mentioned
at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_112]
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_112]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_112]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_112]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_112]
at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
... 7 more