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# How to fix "Couldn't detect jar version"


# ⚙️How to fix "Couldn't detect jar version"

> 💡 **Quick Tip:** Looking for a Minecraft server? Visit [Empower Servers](https://empowerservers.com) and use coupon code **GETSTARTED** for **50% off** your first month!
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Minecraft servers require specific Java versions to run correctly.  
Our system attempts to automatically select the best version, but in some cases, you may need to manually override it.
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## 🛠️ How to Manually Override the Java Version

1. **Log into the [Control Panel](https://gp.empowerservers.com).**

2. Open your server view and click on the **Files** tab.
   ![](https://storage.crisp.chat/users/helpdesk/website/85bc5985980c3800/image_1wq7sbq.png)
3. Delete the file named `disable_prompt_for_java_version`.
   ![](https://storage.crisp.chat/users/helpdesk/website/85bc5985980c3800/image_1anb2mv.png)
4. Go to the **Console** tab and **start your server**.
   ![](https://storage.crisp.chat/users/helpdesk/website/85bc5985980c3800/image_9y3iwi.png)
5. After starting, you will be **prompted** to select a Java version.
   Type the **option number** based on the Minecraft version you're running, using the table below:
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## 📋 Java Version Selection Table
| Minecraft Version | Option | Java Version |
| ---- |
| Forge / Fabric 1.16 and below | 2 | Java 8 |
| Vanilla 1.16 and below | 3 | Java 11 |
| Paper / Spigot 1.16 and below | 3 | Java 11 |
| Bungeecord / Waterfall | 3 | Java 11 |
| Vanilla 1.17 and above | 4 | Java 16 |
| Paper / Spigot 1.17 and above | 4 | Java 16 |
| Forge / Fabric 1.17 and above | 4 | Java 16 |
| Vanilla 1.18 and above | 5 | Java 17 |
| Paper / Spigot 1.18 and above | 5 | Java 17 |
| Forge / Fabric 1.18 and above | 5 | Java 17 |
| Vanilla 1.20.5 and above | 6 | Java 21 |
| Paper / Spigot 1.20.5 and above | 6 | Java 21 |
| Forge / Fabric 1.20.5 and above | 6 | Java 21 |
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Once you select the correct Java version, your server will continue booting normally using the appropriate runtime!