[18:46:21 ERROR]: Could not pass event PlayerQuitEvent to VanishNoPacket v3.19.1
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:299) ~[spigot179.jar:git-Spigot-1551]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot179.jar:git-Spigot-1551]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot179.jar:git-Spigot-1551]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot179.jar:git-Spigot-1551]
at net.minecraft.server.v1_7_R4.PlayerList.disconnect(PlayerList.java:321) [spigot179.jar:git-Spigot-1551]
at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:734) [spigot179.jar:git-Spigot-1551]
at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:77) [spigot179.jar:git-Spigot-1551]
at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:731) [spigot179.jar:git-Spigot-1551]
at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [spigot179.jar:git-Spigot-1551]
at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [spigot179.jar:git-Spigot-1551]
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [spigot179.jar:git-Spigot-1551]
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [spigot179.jar:git-Spigot-1551]
Caused by: java.lang.NullPointerException
at org.dynmap.bukkit.DynmapPlugin.assertPlayerInvisibility(DynmapPlugin.java:1531) ~[?:?]
at org.kitteh.vanish.hooks.plugins.DynmapHook.onUnvanish(DynmapHook.java:50) ~[?:?]
at org.kitteh.vanish.hooks.HookManager.onUnvanish(HookManager.java:123) ~[?:?]
at org.kitteh.vanish.VanishPlugin.hooksQuit(VanishPlugin.java:199) ~[?:?]
at org.kitteh.vanish.listeners.ListenPlayerOther.onPlayerQuit(ListenPlayerOther.java:141) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_55]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_55]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_55]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_55]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:296) ~[spigot179.jar:git-Spigot-1551]
... 11 more

spigot179.jar:git-Spigot-1551

It worked fine before updating spigot.

Are you sure you didn't update Dynmap? Because it's failing in dynmap.

that i did not update dynmap? There isnt a version compatible for this spigot version yet, so no. Dynmap 194 doesnt work either at this spigot version and DM is being uninstalled now.