Error message when activating…

  • Hi,

    I justs downloaded this plugin because it works with Polylang. But as soon as I active it I get this message:

    Notice: Undefined index: page in /storage/web/public/sites/URL/wp-content/plugins/cookie-banner/cookie-banner.php on line 127

    Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method CookieBanner::menus() should not be called statically in URL/wp-includes/plugin.php on line 496

    What can I do in order to be able to use this plugin?

    Thanks!

    https://www.ads-software.com/plugins/cookie-banner/

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