> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.skynode.pro/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Minecraft | Error: Unable to access jarfile server.jar

# Minecraft | Error: Unable to access jarfile server.jar

1. Go to [https://help.skynode.pro/en/](https://help.skynode.pro/en/) and click on your server

2. Go to **Change Version** in top menu.

![](https://i.imgur.com/9FNFxH8.png)

3.  You can install a new server jar. We recommend to use PaperSpigot as it is more optimized than Spigot and Bukkit (also, bukkit will be disabled in the future)

![](https://i.imgur.com/LQ3jx3B.png)

4. Click **YES**

![](https://i.imgur.com/C1tmZgU.png)

5. Once it is done, go to your **Server Console** and start your server.

||| If you are trying to run Forge on your server, please visit this link https://help.skynode.pro/en/article/minecraft-installing-forge-jg4xda/

**All done! Your server should now be working properly!**