> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://doc.common-services.com/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).

# Blank Page When Accessing the Module - Amazon Marketplace Plus

## Blank Page When Accessing the Module

* Clicking on a module tab displays a **blank page**.  
* After installing the module, clicking **Configure** displays a **blank page** or a **truncated back-office page**.

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## Cause

A **PHP error** may be causing the issue.  
By default, PrestaShop hides such errors, which is why you see a blank screen.

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## Solution

1. **Enable debug mode** temporarily to display the error.  
* Official tutorial: [Internal Server Error – Explained and Solved](http://www.prestashop.com/blog/en/the-500-internal-server-error-explained-solved/)
2. Reproduce the action that triggers the blank page.
3. Copy the **error message** displayed.
4. **Send the error message** to our support team for analysis.

**Note:** Disable debug mode after troubleshooting to prevent exposing sensitive information.