Just set up my server, it ran the first time but now every time I try to run it I get this error. Please help! Code: ---- Minecraft Crash Report ---- // Why did you do that? Time: 2/4/20, 4:04 pm Description: Exception in server tick loop java.net.UnknownHostException: (IP address): invalid IPv6 address at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1331) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1288) at java.base/java.net.InetAddress.getByName(InetAddress.java:1238) at net.minecraft.server.v1_15_R1.DedicatedServer.init(DedicatedServer.java:175) at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:762) at java.base/java.lang.Thread.run(Thread.java:844) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.15.2 Minecraft Version ID: 1.15.2 Operating System: Mac OS X (x86_64) version 10.15.3 Java Version: 10.0.2, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), "Oracle Corporation" Memory: 286719456 bytes (273 MB) / 411041792 bytes (392 MB) up to 1073741824 bytes (1024 MB) CPUs: 4 JVM Flags: 1 total; -Xmx1024M CraftBukkit Information: Running: Failed to handle CraftCrashReport: java.lang.NullPointerException at org.bukkit.Bukkit.getName(Bukkit.java:98) at org.bukkit.craftbukkit.v1_15_R1.CraftCrashReport.call(CraftCrashReport.java:23) at net.minecraft.server.v1_15_R1.CrashReportSystemDetails.a(SourceFile:79) at net.minecraft.server.v1_15_R1.CrashReport.i(CrashReport.java:71) at net.minecraft.server.v1_15_R1.CrashReport.<init>(CrashReport.java:35) at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:808) at java.base/java.lang.Thread.run(Thread.java:844) Data Packs: Is Modded: ~~ERROR~~ NullPointerException: null Type: Dedicated Server (map_server.txt)