## **🧭 Overview**

Search Atlas uses two separate quota systems that are often confused with each other: **OTTO site quota** and **site audit quota**. Upgrading one does not affect the other. If you are seeing a **'quota full'** error after an upgrade, this article will help you identify which quota you actually hit and what to do next.

## **📋 What Is OTTO Site Quota?**

Your **OTTO site quota** controls how many websites you can activate and manage inside the OTTO SEO automation tool.

- Each site you connect to OTTO and set live counts as one OTTO site slot.
- Removing a site from OTTO frees up that slot for a different domain.

## **📊 What Is Site Audit Quota?**

Your **site audit quota** controls how many websites you can add to the site audit section of the platform. This section powers your site crawls, technical audits, rank tracking, and keyword data.

- Each domain you add uses one site audit slot.
- Site audit slots and OTTO slots are tracked independently.
- Having an available OTTO slot does not mean you have an available site audit slot, and vice versa.

## **⚠️ Why the 'Quota Full' Error Appears**

The **'quota full'** error appears when you attempt to add or activate a site and there are no remaining slots in the specific quota that action requires. The two most common scenarios are:

1. **You upgraded your OTTO site quota but the error is in the site audit section.** Adding a domain to site audits requires a site audit slot, not an OTTO slot. Upgrading OTTO quota will not resolve this error.
2. **You upgraded your site audit quota but the error is in OTTO.** Activating a domain inside OTTO requires an OTTO slot. Upgrading site audit quota will not resolve this error.

## **🔍 How to Check Which Quota You Have Hit**

To identify which quota is exhausted, compare the number of domains you currently have active in each area against the limits shown on your plan. Check OTTO and site audits separately — they are tracked independently. Whichever area has no remaining slots is the quota you have hit.

## **✅ How to Resolve a Quota-Full Error**

Once you have identified which quota is full, you have two options:

- **Free up a slot:** Remove a domain you no longer need from the relevant section (OTTO or site audits) to make room for the new one.
- **Upgrade the correct quota:** Make sure you are upgrading the quota that matches the section where the error appears. Upgrading your OTTO quota resolves OTTO-related errors; upgrading your site audit quota resolves site audit errors. Upgrading the wrong quota will not clear the error.

If you need further assistance, open the chat widget in the bottom-right corner of the platform and type **human teammate** to be connected with a member of our team.