I get this following error with the Authme plugin
[15:44:31] [Server thread/INFO]: [AuthMe] Enabling AuthMe v5.6.0-SNAPSHOT-b2334 [15:44:32] [Server thread/INFO]: [AuthMe] Created column 'regdate' and set the current timestamp, 1575312272096, to all 0 rows [15:44:32] [Server thread/INFO]: [AuthMe] SQLite Setup finished [15:44:32] [Server thread/WARN]: [AuthMe] Aborting initialization of AuthMe: [InjectorReflectionException]: Could not invoke method 'setup' for fr.xephi.authme.permission.PermissionsManager@7d416fc9 [15:44:32] [Server thread/WARN]: fr.xephi.authme.libs.ch.jalu.injector.exceptions.InjectorReflectionException: Could not invoke method 'setup' for fr.xephi.authme.permission.PermissionsManager@7d416fc9 [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.utils.ReflectionUtils.invokeMethod(ReflectionUtils.java:76) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.handlers.postconstruct.PostConstructMethodInvoker.postProcess(PostConstructMethodInvoker.java:27) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.InjectorImpl.runPostConstructHandlers(InjectorImpl.java:271) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.InjectorImpl.resolveContext(InjectorImpl.java:164) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.InjectorImpl.resolveDependencies(InjectorImpl.java:186) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.InjectorImpl.resolveContext(InjectorImpl.java:158) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.InjectorImpl.resolveDependencies(InjectorImpl.java:186) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.InjectorImpl.resolveContext(InjectorImpl.java:158) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.InjectorImpl.resolve(InjectorImpl.java:133) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.InjectorImpl.getSingleton(InjectorImpl.java:72) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.AuthMe.instantiateServices(AuthMe.java:253) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.AuthMe.initialize(AuthMe.java:227) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.AuthMe.onEnable(AuthMe.java:146) [15:44:32] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) [15:44:32] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:352) [15:44:32] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:417) [15:44:32] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugin(CraftServer.java:461) [15:44:32] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugins(CraftServer.java:375) [15:44:32] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:449) [15:44:32] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:266) [15:44:32] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:775) [15:44:32] [Server thread/WARN]: at java.lang.Thread.run(Unknown Source) [15:44:32] [Server thread/WARN]: Caused by: java.lang.reflect.InvocationTargetException [15:44:32] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [15:44:32] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [15:44:32] [Server thread/WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [15:44:32] [Server thread/WARN]: at java.lang.reflect.Method.invoke(Unknown Source) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.libs.ch.jalu.injector.utils.ReflectionUtils.invokeMethod(ReflectionUtils.java:73) [15:44:32] [Server thread/WARN]: ... 21 more [15:44:32] [Server thread/WARN]: Caused by: java.lang.NoClassDefFoundError: me/lucko/luckperms/LuckPerms [15:44:32] [Server thread/WARN]: at fr.xephi.authme.permission.handlers.LuckPermsHandler.<init>(LuckPermsHandler.java:40) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.permission.PermissionsManager.createPermissionHandler(PermissionsManager.java:135) [15:44:32] [Server thread/WARN]: at fr.xephi.authme.permission.PermissionsManager.setup(PermissionsManager.java:92) [15:44:32] [Server thread/WARN]: ... 26 more [15:44:32] [Server thread/WARN]: Caused by: java.lang.ClassNotFoundException: me.lucko.luckperms.LuckPerms [15:44:32] [Server thread/WARN]: at java.net.URLClassLoader.findClass(Unknown Source) [15:44:32] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:135) [15:44:32] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:81) [15:44:32] [Server thread/WARN]: at java.lang.ClassLoader.loadClass(Unknown Source) [15:44:32] [Server thread/WARN]: at java.lang.ClassLoader.loadClass(Unknown Source) [15:44:32] [Server thread/WARN]: ... 29 more [15:44:32] [Server thread/WARN]: [AuthMe] THE SERVER IS GOING TO SHUT DOWN AS DEFINED IN THE CONFIGURATION! [15:44:32] [Server thread/INFO]: [AuthMe] Waiting for 0 tasks to finish [15:44:32] [Server thread/INFO]: [AuthMe] AuthMe 5.6.0-SNAPSHOT-b2334 disabled!

If you're using v5 of LP make sure to read the wiki page about migration from v4 to v5.
Your error is most likely caused by this.

Oh, thanks.