Fatal error wordpress

this is the zip

Hi

I installed your theme and had no problem to activate theme. No error msg.

Print screen https://ibb.co/FWPFY39

Best regards
Malinka

Last edited 13 July 2021 by Malinka

So, I've switch from php 8.0 to php 7.4 and it solved.
But.... is not compatible a themler template with 8?

and... I ve some warning into backend..

WP_Export_Theme_Installer_Skin::feedback($string) should be compatible with WP_Upgrader_Skin::feedback($string, ...$args) in /home/mhd-01/www.palmitesta.com/htdocs/preprod/wp-content/themes/myesis_ver01_fab/export/CoreUpdateHelper.php on line 20

Warning: Declaration of WP_Export_Upgrader_Skin::feedback($string) should be compatible with WP_Upgrader_Skin::feedback($string, ...$args) in /home/mhd-01/www.palmitesta.com/htdocs/preprod/wp-content/themes/myesis_ver01_fab/export/CoreUpdateHelper.php on line 51

the error message went away. Now I can work. One question: thmler will be updated to work fine to php 8?

Hello Rocco,

It should be working fine with PHP 8 if your theme is updated to the latest version.
Open it with Themler desktop, update to v520 and re-export, then re-install to WP.

Gina
Themler Support

Ok, I'll try.
Last question: from where I can download v520 for mac?
Best

The theme version is update in any of the Themler releases. You just need to open the theme in the desktop application and click Updates inside of it (on top). Make sure you have enabled receiving Beta Updates under your account on our site.

Gina
Themler Support

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The fatal error you're encountering is due to the use of the deprecated PHP function create_function() in your WordPress theme. This function was removed in PHP 8.0, and your server is likely running PHP 8 or higher.

Error Summary:


Fatal error: Uncaught Error: Call to undefined function create_function()...


What’s Causing It:

The theme file:


/wp-content/themes/myesis_ver01_fab/library/shortcodes-styles.php


contains a line like:

php
create_function('$arg', 'some code here');


This syntax was allowed in older PHP versions, but PHP 8+ no longer supports it.

✅ Solution: Replace create_function() with anonymous functions (closures)

Step-by-Step Fix:

1. Open the file:
   /wp-content/themes/myesis_ver01_fab/library/shortcodes-styles.php

2. Go to line 7 — it probably looks something like:

   php
$func = create_function('$param', 'return "something";');


3. Replace it with an anonymous function:

   php
$func = function($param) {
return "something";
};


4. Repeat this process for any other uses of create_function() in your theme.

🛠️ Quick Workaround (if you can't access wp-admin):

If you want temporary access to the backend:

• Rename the theme folder using FTP or your hosting panel:

  
/wp-content/themes/myesis_ver01_fab → /wp-content/themes/myesis_ver01_fab_backup


• WordPress will fall back to a default theme (like Twenty Twenty-Four), and you'll regain access.

Long-Term Fix:

• Contact the theme developer and ask for a PHP 8-compatible version.
• Or manually update all instances of create_function() (use your code editor's Find in files feature).

Would you like me to help rewrite the exact code from shortcodes-styles.php line 7 if you paste it here?

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