EasyScoreBoard error

[10:31:20] [Server thread/ERROR] [Sponge]: Could not pass ClientConnectionEvent$Join$Impl to Plugin{id=de_yottaflops_easyscoreboard, name=Easy Scoreboards, version=1.7.1, description=A plugin to easily create scoreboards for lobbys, source=D:\For XX\setup\minecraft\Server\testing\Forge2171 PixelmonPlugins\mods\EasyScoreboards-1.7.1.jar}
java.lang.NullPointerException
        at de.YottaFLOPS.EasyScoreboard.Conversions.lineToTexts(Conversions.java:14) ~[Conversions.class:?]
        at de.YottaFLOPS.EasyScoreboard.Main.makeScoreboard(Main.java:165) ~[Main.class:?]
        at de.YottaFLOPS.EasyScoreboard.Main.setScoreboard(Main.java:258) ~[Main.class:?]
        at de.YottaFLOPS.EasyScoreboard.Main.onPlayerJoin(Main.java:94) ~[Main.class:?]
        at org.spongepowered.common.event.listener.JoinListener_Main_onPlayerJoin14.handle(Unknown Source) ~[?:?]
        at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.10.2-2171-5.1.0-BETA-2010]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:301) [SpongeModEventManager.class:1.10.2-2171-5.1.0-BETA-2010]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:285) [SpongeModEventManager.class:1.10.2-2171-5.1.0-BETA-2010]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:326) [SpongeModEventManager.class:1.10.2-2171-5.1.0-BETA-2010]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:314) [SpongeModEventManager.class:1.10.2-2171-5.1.0-BETA-2010]
        at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:141) [SpongeImpl.class:1.10.2-2171-5.1.0-BETA-2010]
        at net.minecraft.server.management.PlayerList.initializeConnectionToPlayer(PlayerList.java:441) [mp.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.completeServerSideConnection(NetworkDispatcher.java:260) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.access$100(NetworkDispatcher.java:73) [NetworkDispatcher.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.func_73660_a(NetworkDispatcher.java:209) [NetworkDispatcher$1.class:?]
        at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:287) [eo.class:?]
        at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:180) [md.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:732) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387) [ld.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]