> For the complete documentation index, see [llms.txt](https://docs.mercuri.cx/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mercuri.cx/features/sms-opt-in-form/how-to-fix-the-opt-in-form-issue-in-wix.md).

# How to fix the opt-in form issue in Wix?

If the opt-in form is not working correctly, you can fix it by removing the **Mercuri: SMS, WhatsApp & AI** Wix block from the site editor and then reinstalling it.

**A. Steps to Delete the Mercuri Block from Wix Editor**

{% embed url="<https://youtu.be/_U3R9qCDrM0>" %}

1. Go to the **Wix Admin Dashboard**.
2. Click on **Apps** → **Installed Apps**.
3. Locate **Mercuri: SMS, WhatsApp & AI**. Click on it, and a side panel will open on the right. From the options, select **Open in Editor**.
4. In the **Wix Site Editor**, open the **App Market**.
5. Go to **Manage Apps** and select **Mercuri: SMS, WhatsApp & AI**.
6. A panel will open on the right side → click **Delete App**.

**B. Steps to Add Back the Mercuri Block**

1. Again, go to the **App Market**.
2. Search for **Mercuri: SMS, WhatsApp & AI**.
3. Click **Add to Site** to reinstall it.
4. After installation, click **Open** to add the block.
5. Review the opt-in form.
6. Finally, click the **Publish** button at the top right to save changes.