[18:19:31] [Server thread/WARN]: [DolphinSpleef] Task #5 for DolphinSpleef v1.2.1 generated an exception
java.lang.StringIndexOutOfBoundsException: String index out of range: -2
	at java.lang.String.substring(String.java:1875) ~[?:1.7.0_51]
	at uk.co.live.karlfish.plugin_DolphinSpleef.timeToString(plugin_DolphinSpleef.java:579) ~[?:?]
	at uk.co.live.karlfish.plugin_DolphinSpleef$1.run(plugin_DolphinSpleef.java:238) ~[?:?]
	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:58) ~[craftbukkit.jar:git-Spigot-1483]
	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [craftbukkit.jar:git-Spigot-1483]
	at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:635) [craftbukkit.jar:git-Spigot-1483]
	at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:283) [craftbukkit.jar:git-Spigot-1483]
	at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:583) [craftbukkit.jar:git-Spigot-1483]
	at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:489) [craftbukkit.jar:git-Spigot-1483]
	at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Spigot-1483]