con['url'] ) . '" data-beacon-article="' . esc_attr( $firewall_beacon['id'] ) . '" rel="noopener noreferrer" target="_blank">',
			'</a>'
		);

		$security_message = __( '- In the security plugin, if you are using one', 'rocket' );
		$firewall_message = __( "- In the server's firewall. Your host can help you with this", 'rocket' );

		$message = "<strong>WP Rocket</strong>: $main_message<ul><li>$security_message</li><li>$firewall_message</li></ul>";

		rocket_notice_html(
			[
				'status'               => 'error',
				'message'              => $message,
				'dismissible'          => '',
				'id'                   => 'rocket-notice-rucss-error-http',
				'dismiss_button'       => 'rucss_error_notice',
				'dismiss_button_class' => 'button-primary',
			]
		);
	}

	/**
	 * Is the error notice present.
	 *
	 * @return bool
	 */
	public function has_saas_error_notice() {
		return (bool) get_transient( 'wp_rocket_rucss_errors_count' );
	}

	/**
	 * Display a notice on table missing.
	 *
	 * @return void
	 */
	public function display_no_table_notice() {

		if ( ! $this->can_display_notice() ) {
			return;
		}
		if ( $this->used_css->exists() ) {
			return;
		}

		// translators: %1$s = plugin name, %2$s = table name, %3$s = <a> open tag, %4$s = </a> closing tag.
		$main_message = esc_html__( '%1$s: Could not create the %2$s table in the database which is necessary for the Remove Unused CSS feature to work. Please reach out to %3$sour support%4$s.', 'rocket' );

		$message = sprintf(
		// translators: %1$s = plugin name, %2$s = table name, %3$s = <a> open tag, %4$s = </a> closing tag.
			$main_message,
			'<strong>WP Rocket</strong>',
			$this->used_css->get_name(),
			'<a href="' . $this->get_support_url() . '" target="_blank" rel="noopener">',
			'</a>'
		);

		rocket_notice_html(
			[
				'status'      => 'error',
				'dismissible' => '',
				'message'     => $message,
				'id'          => 'rocket-notice-rucss-missing-table',
			]
		);
	}

	/**
	 * Get support URL.
	 *
	 * @return string
	 */
	protected function get_support_url() {
		return rocket_get_external_url(
			'support',
			[
				'utm_source' => 'wp_plugin',
				'utm_medium' => 'wp_rocket',
			]
		);
	}
}