> [22:19:50 ERROR]: Could not pass event PlayerJoinEvent to Factions v1.6.9.5-U0.2.1-RC-1.3-STABLE
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[server.jar:git-TacoSpigot-fd3209f3]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[server.jar:git-TacoSpigot-fd3209f3]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[server.jar:git-TacoSpigot-fd3209f3]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [server.jar:git-TacoSpigot-fd3209f3]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.PlayerList.onPlayerJoin(PlayerList.java:314) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.PlayerList.a(PlayerList.java:173) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.LoginListener.b(LoginListener.java:144) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.LoginListener.c(LoginListener.java:54) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:231) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:148) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:877) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:715) [server.jar:git-TacoSpigot-fd3209f3]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:618) [server.jar:git-TacoSpigot-fd3209f3]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
Caused by: java.lang.NoClassDefFoundError: me/clip/placeholderapi/PlaceholderAPI
at com.massivecraft.factions.scoreboards.FTeamWrapper.updatePrefix(FTeamWrapper.java:173) ~[?:?]
at com.massivecraft.factions.scoreboards.FTeamWrapper.add(FTeamWrapper.java:152) ~[?:?]
at com.massivecraft.factions.scoreboards.FTeamWrapper.track(FTeamWrapper.java:119) ~[?:?]
at com.massivecraft.factions.scoreboards.FScoreboard.init(FScoreboard.java:39) ~[?:?]
at com.massivecraft.factions.listeners.FactionsPlayerListener.initPlayer(FactionsPlayerListener.java:138) ~[?:?]
at com.massivecraft.factions.listeners.FactionsPlayerListener.onPlayerJoin(FactionsPlayerListener.java:111) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_161]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[server.jar:git-TacoSpigot-fd3209f3]
... 15 more