Cannot declare class – name is already in use – conflict with YOAST SEO

  • Hi,

    I’m hoping you can help. I have a fatal error appearing on my site since a recent update of the WooCommerce Royal Mail Shipping Calculator plugin. Deactivating each of my plugins to try and identify the issue it seems to be caused by a conflict with the Yoast SEO plugin.

    When activating the plugin i get the following
    Fatal error: Cannot declare class WPRuby\RoyalMailLite\Psr\Log\AbstractLogger, because the name is already in use in /var/www/wp-content/plugins/royal-mail-woocommerce-shipping-calculator/vendor/psr/log/Psr/Log/AbstractLogger.php on line 12

    This error is not apparent when YOAST SEO plugin is disabled.

    Can anyone advise how I resolve this as both plugins are crucial!

    Many thanks

    Vicki

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