How to Fix: java.lang.NumberFormatException: For input string: “default” in Minecraft Paper

1. Log in to Your Cybrancee Panel

Cybrancee panel manage server Minecraft

2. Delete the ‘paper-world-defaults.yml‘ File

Consider taking a backup before deleting this file. The file can be found in your ‘config’ folder.

Cybrancee panel Minecraft, paper world file with delete option outlined

3. Restart Your Server

Minecraft Server Hosting

Starts at $1.99

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