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[PermissionsEx] Error occurred with PermissionsEx! Please post it to http://git.io/<html><body>You are being <a href="https://git.io/create">redirected</a>.</body></html>. Full error:
19.01 18:49:17 [Server] INFO java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(I)Lcom/google/common/cache/CacheBuilder;
19.01 18:49:17 [Server] INFO at ru.tehkode.permissions.RegExpMatcher.<init>(RegExpMatcher.java:17)
19.01 18:49:17 [Server] INFO at ru.tehkode.permissions.PermissionManager.<init>(PermissionManager.java:60)
19.01 18:49:17 [Server] INFO at ru.tehkode.permissions.bukkit.PermissionsEx.onEnable(PermissionsEx.java:158)
19.01 18:49:17 [Server] INFO at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321)
19.01 18:49:17 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340)
19.01 18:49:17 [Server] INFO at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405)
19.01 18:49:17 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:357)
19.01 18:49:17 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317)
19.01 18:49:17 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414)
19.01 18:49:17 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:378)
19.01 18:49:17 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:333)
19.01 18:49:17 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263)
19.01 18:49:17 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525)
19.01 18:49:17 [Server] INFO at java.lang.Thread.run(Thread.java:748)