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How to Fix the ‘Invalid or Corrupt Jarfile’ Error on Your Minecraft Server

1. Log In to Your Panel

Navigate to the Cybrancee Panel and log in to your account.

2. Stop Your Server

Select the red ‘Stop’ button to fully stop your Minecraft server before modifying it.

Cybrancee game panel dashboard showing the red Stop button highlighted to shut down the server.

3. Select the ‘Files’ Tab

Select the ‘Files’ tab from the left sidebar.

Cybrancee panel Minecraft dashboard with files tab outlined

4. Delete the ‘server.jar’ File

In the ‘Files’ tab, delete the file named ‘server.jar’.

Cybrancee Panel Minecraft server.jar file with Delete option outlined

5. Select the ‘Settings’ Tab

Select the ‘Settings’ tab from the left sidebar.

Cybrancee Panel Minecraft Server Settings Tab Outlined

6. Reinstall Your Server

Select the ‘Reinstall’ button at the bottom. Choose the first option, Keep current files and reinstall server select ‘Continue’, and confirm the reinstall.

Cybrancee panel Minecraft settings screen, with Reinstall server button highlighted

7. Start Your Server

Select the Start button to start your server.

ybrancee Minecraft server console showing Fabric starting successfully with Fabric API installed

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