Redux – critical error on this website

Hi, i can’t install Redux on a clean install. An tips for me as newbie? Fyi i configure _DMARC on the DNS hosting service.

Fatal error: Uncaught Error: Call to undefined method Redux_Functions_Ex::set_activated() in /home/id2787866/domains/bgproperties.eu/public_html/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-connection-banner.php:84 Stack trace: #0 /home/id2787866/domains/bgproperties.eu/public_html/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-connection-banner.php(68): Redux_Connection_Banner->__construct() #1 /home/id2787866/domains/bgproperties.eu/public_html/wp-content/plugins/redux-framework/redux-core/class-redux-core.php(520): Redux_Connection_Banner::init() #2 /home/id2787866/domains/bgproperties.eu/public_html/wp-includes/class-wp-hook.php(308): Redux_Core->admin_init() #3 /home/id2787866/domains/bgproperties.eu/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #4 /home/id2787866/domains/bgproperties.eu/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #5 /home/id2787866/domains/bgproperties.eu/public_html/wp-admin/admin.php(175): do_action() #6 /home/id2787866/domains/bgproperties.eu/public_html/wp-admin/plugins.php(10): require_once(‘/home/id2787866…’) #7 {main} thrown in?/home/id2787866/domains/bgproperties.eu/public_html/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-connection-banner.php?on line?84

Best Regards, Arie

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