First Try this– Clear Browser Cache and used any cache plugin
Second:
If you are using the Full Site Editor (FSE), the Navigation block might be corrupted.
- Go to Appearance > Editor
- Remove the Navigation block from the header
- Add a new Navigation block and select the menu again
Easy and Best Approach
Create a menu for the mobile version and add a WE TAKE ACTION link and add CSS for the same design button in the desktop version
It caused by a plugin, theme, or corrupted core files
- Enable Debug Mode (go to wp-config.php->define(‘WP_DEBUG’, true);
- Deactivate Plugins
- Switch to a Default Theme
- Increase PHP Memory Limit (go to wp-config.php->define(‘WP_MEMORY_LIMIT’, ‘256M’);
