GTNH Crash when clicking multiplayer on title screen

[Awakaiser]

Your GTNH Discord Username

No response

Your Pack Version

2.6.1

Your Server

Private server

Java Version

Java 8

Type of Server

Don't know

Your Actions

Trying to get to the multiplayer screen crash the game, putting me back to title screen

Crash Report

https://mclo.gs/DIjUv8I

Final Checklist

• I have searched this issue tracker and there is nothing similar already. Posting on a closed issue saying the crash still exists will prompt us to investigate and reopen it once we confirm your report.
• I can reproduce this crash consistently by following the exact steps I described above.
• I have asked other people and they confirm they also crash by following the exact steps I described above.

[github-actions]

Found 1 linked crash report(s)

Primitive Automated Analysis of Crash Report

https://mclo.gs/DIjUv8I

Stacktrace

java.lang.NullPointerException
  at net.minecraft.client.multiplayer.ServerList.handler$zbf000$defaultserverlist$saveDefaultServerList(SourceFile:555)
  at net.minecraft.client.multiplayer.ServerList.saveServerList(SourceFile:50)
  at net.minecraft.client.gui.ServerListEntryNormal.drawEntry(ServerListEntryNormal.java:166)
  at net.minecraft.client.gui.GuiListExtended.drawSlot(SourceFile:26)
  at net.minecraft.client.gui.GuiSlot.drawSelectionBox(GuiSlot.java:433)
  at net.minecraft.client.gui.GuiSlot.drawScreen(GuiSlot.java:306)
  at net.minecraft.client.gui.GuiMultiplayer.drawScreen(GuiMultiplayer.java:344)
  at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1061)
  at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1001)
  at net.minecraft.client.Minecraft.run(Minecraft.java:5110)
  at net.minecraft.client.main.Main.main(SourceFile:148)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  at java.lang.reflect.Method.invoke(Unknown Source)
  at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
  at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
  at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:100)
  at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129)
  at org.prismlauncher.EntryPoint.main(EntryPoint.java:70)