Not sure if this is a Mine OS thing although I dont think so, but maybe Someone could help me out in interpreting this and directing it to the right people?
[04:28:10] [Spigot Watchdog Thread/ERROR]: The server has stopped responding!
[04:28:10] [Spigot Watchdog Thread/ERROR]: Please report this to http://www.spigotmc.org/
[04:28:10] [Spigot Watchdog Thread/ERROR]: Be sure to include ALL relevant console errors and Minecraft crash reports
[04:28:10] [Spigot Watchdog Thread/ERROR]: Spigot version: git-Spigot-7754231-94b0980 (MC: 1.12.2)
[04:28:10] [Spigot Watchdog Thread/ERROR]: ------------------------------
[04:28:10] [Spigot Watchdog Thread/ERROR]: Server thread dump (Look for plugins here before reporting to Spigot!):
[04:28:10] [Spigot Watchdog Thread/ERROR]: ------------------------------
[04:28:10] [Spigot Watchdog Thread/ERROR]: Current Thread: Server thread
[04:28:10] [Spigot Watchdog Thread/ERROR]: PID: 18 | Suspended: false | Native: true | State: RUNNABLE
[04:28:10] [Spigot Watchdog Thread/ERROR]: Stack:
[04:28:10] [Spigot Watchdog Thread/ERROR]: java.io.FileOutputStream.open0(Native Method)
[04:28:10] [Spigot Watchdog Thread/ERROR]: java.io.FileOutputStream.open(FileOutputStream.java:270)
[04:28:10] [Spigot Watchdog Thread/ERROR]: java.io.FileOutputStream.(FileOutputStream.java:213)
[04:28:10] [Spigot Watchdog Thread/ERROR]: com.google.common.io.Files$FileByteSink.openStream(Files.java:201)
[04:28:10] [Spigot Watchdog Thread/ERROR]: com.google.common.io.Files$FileByteSink.openStream(Files.java:189)
[04:28:10] [Spigot Watchdog Thread/ERROR]: com.google.common.io.ByteSink$AsCharSink.openStream(ByteSink.java:151)
[04:28:10] [Spigot Watchdog Thread/ERROR]: com.google.common.io.CharSink.write(CharSink.java:95)
[04:28:10] [Spigot Watchdog Thread/ERROR]: com.google.common.io.Files.write(Files.java:317)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.AdvancementDataPlayer.c(AdvancementDataPlayer.java:186)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.PlayerList.savePlayerFile(PlayerList.java:332)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.PlayerList.disconnect(PlayerList.java:405)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1102)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.NetworkManager.handleDisconnection(NetworkManager.java:321)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.ServerConnection.c(ServerConnection.java:174)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:845)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679)
[04:28:10] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577)
[04:28:10] [Spigot Watchdog Thread/ERROR]: java.lang.Thread.run(Thread.java:745)
[04:28:10] [Spigot Watchdog Thread/ERROR]: ------------------------------
[04:28:10] [Spigot Watchdog Thread/ERROR]: Entire Thread Dump: