# Build Failures

At each **Evaluation Stage**, there is a decreasing chance that a build will fail. If a build does fail, it could be caused by a build error that simply requires the build to be restarted, or it could be caused by a repairable **ARC-Forge Malfunction**, or (with a very low chance) that it is caused by a **Catastrophic Malfunction**.

### ARC-Forge Malfunction

When a build fails, there is a small chance that the failure is due to a **ARC-Forge Malfunction**. In this case, the ARC-Forge remains online but enters the **Idle** state, and prevents building until the machine is repaired.

An ARC-Forge can be immediately repaired by equipping a [**Mechikit Upgrade**](https://alloy-space.gitbook.io/alloy-space/upgrade-parts/atm-upgrades)**.**

<mark style="background-color:yellow;">Alternatively, the player can wait for an AXIS repair, which will be a random time period of 12 to 72 hours.</mark>

<figure><img src="https://2111160599-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Ffggipod3jU8OdLSacyrb%2Fuploads%2FoeeyJrqBKoHxC3SQk6N3%2Ffailure.png?alt=media&#x26;token=d00c9f8d-4684-4bc6-8ad8-ba4b85c0125b" alt=""><figcaption><p><strong>The result of a Build Failure with no Mechikits found in Inventory</strong></p></figcaption></figure>

### **Catastrophic Malfunction**

An ARC-Forge that is not equipped with the **Xtended Upgrade** and experiences a **Catastrophic Malfunction** will be taken Offline for 5 full days.&#x20;

An [Xtended Upgrade ](https://github.com/glimdata/alloy-wp/blob/main/alloy-fabrication/broken-reference/README.md)equipped to a ARC-Forge prevents this type of malfunction for 14 days. Three *of them, for a total of 42 days, can be equipped at one time.*

{% hint style="info" %}
The odds of this type of malfunction are very low. About 1 per 1000 ARC-Forge builds.
{% endhint %}
