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Fatal Error Caused by FOX Currency Switcher Plugin

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The support doesn work on Saturdays and Sundays, so some Friday requests can be answered on Monday.
Services(@services)
1 Post
Customers
April 2, 2026, 11:43

Dear FOX Support Team,

I hope you’re doing well.

I’m reaching out regarding a technical issue detected on my WordPress website, which appears to be with the FOX – Currency Switcher Professional for WooCommerce plugin.

I received an automated email from WordPress indicating that a fatal error was caused by this plugin. Below are the relevant details:

  • Website: https://academy.billionhopes.ai/
  • WordPress Version: 6.9.4
  • Active Theme: Kadence (v1.4.5)
  • Plugin Version: FOX – Currency Switcher Professional for WooCommerce (v2.4.3.1)

At this stage, I would like your help to understand:

  1. What could be causing this fatal error?
  2. Is this a known issue with the current plugin version?
  3. Are there any conflicts with recent WordPress updates or themes like Kadence?
  4. What steps should I follow to resolve this safely without affecting my live site?

If needed, I can provide error logs or temporary access for debugging.

Looking forward to your guidance on this matter.

Best regards,
Billion Hopes

#1
Alex Dovlatov(@alexdev)
825 Posts
April 2, 2026, 12:17

Hello Billion

Thank you for reaching out.

To investigate the fatal error, I need the actual error message or log. Could you please share it? You can find it in one of these places:

  1. The email from WordPress usually contains the error text directly — please copy and paste it here.
  2. In your WordPress admin go to Tools > Site Health > Info > expand"Fatal Error" section if visible.
  3. Enable debug logging by adding these lines to your wp-config.php file:

define('WP_DEBUG', true); define('WP_DEBUG_LOG', true); define('WP_DEBUG_DISPLAY', false);

Then reproduce the error and share the contents of /wp-content/debug.log

Once I can see the actual error message I will be able to tell you exactly what is happening and how to fix it.

Also you can do next:

Please install the free plugin"Error Log Monitor". Once installed and activated, it adds a widget to your WordPress dashboard showing recent PHP errors. When the fatal error occurs again, please copy and paste here only the lines that mention"woocs" or"fox" or"currency" — you can skip errors from other plugins, those are not relevant.

Thank you!

#2