Warning: Declaration of themeslug_walker_nav_menu::start_lvl(&$output, $depth) should be compatible with Walker_Nav_Menu::start_lvl(&$output, $depth = 0, $args = Array) in /home/catchbio/public_html/wp-content/themes/catchbio/inc/frontend.php on line 180

Warning: Declaration of themeslug_walker_nav_menu::start_el(&$output, $item, $depth, $args) should be compatible with Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = Array, $id = 0) in /home/catchbio/public_html/wp-content/themes/catchbio/inc/frontend.php on line 180

Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /home/catchbio/public_html/wp-includes/class-wp-hook.php on line 298
Prof. Istvan T. Horvath - CatchBio