Hi and a happy new year!
When WP_DEBUG is set to true, it says:
Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method JQEB::register_menu_page() should not be called statically in /mydomain/wp-includes/plugin.php on line 429
Can you fix this, please?
Would also love if you can solve this old issue:
(WP 3.8, PHP 5.4.10)