Fatal error: Uncaught Error: Class 'WC_Payment_Gateway' not found in /homepages/39/d414376620/htdocs/educationbienveillante/wordpress/wp-content/plugins/payer-b2b-for-woocommerce/classes/gateways/class-pb2b-factory-gateway.php:15 Stack trace: #0 /homepages/39/d414376620/htdocs/educationbienveillante/wordpress/wp-content/plugins/payer-b2b-for-woocommerce/payer-b2b-for-woocommerce.php(129): include_once() #1 /homepages/39/d414376620/htdocs/educationbienveillante/wordpress/wp-content/plugins/payer-b2b-for-woocommerce/payer-b2b-for-woocommerce.php(98): Payer_B2B->include_files() #2 /homepages/39/d414376620/htdocs/educationbienveillante/wordpress/wp-includes/class-wp-hook.php(292): Payer_B2B->init('') #3 /homepages/39/d414376620/htdocs/educationbienveillante/wordpress/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #4 /homepages/39/d414376620/htdocs/educationbienveillante/wordpress/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #5 /homepages/39/d414376620/htdocs/educationbienveillante/wordpress/ in /homepages/39/d414376620/htdocs/educationbienveillante/wordpress/wp-content/plugins/payer-b2b-for-woocommerce/classes/gateways/class-pb2b-factory-gateway.php on line 15