Fatal error: Uncaught TypeError: array_merge(): Argument #2 must be of type array, null given in /home/sciencq1/public_html/wp-includes/widgets.php:1342 Stack trace: #0 /home/sciencq1/public_html/wp-includes/widgets.php(1342): array_merge(Array, NULL, NULL) #1 /home/sciencq1/public_html/wp-includes/widgets.php(1287): retrieve_widgets(true) #2 /home/sciencq1/public_html/wp-includes/class-wp-hook.php(310): _wp_sidebars_changed('Divi') #3 /home/sciencq1/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #4 /home/sciencq1/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/sciencq1/public_html/wp-includes/theme.php(3401): do_action('after_switch_th...', 'Divi', Object(WP_Theme)) #6 /home/sciencq1/public_html/wp-includes/class-wp-hook.php(308): check_theme_switched('') #7 /home/sciencq1/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #8 /home/sciencq1/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #9 /home/sciencq1/public_html/wp-settings.php(623): do_action('init') #10 /home/sciencq1/public_html/wp-config.php(92): require_once('/home/sciencq1/...') #11 /home/sciencq1/public_html/wp-load.php(50): require_once('/home/sciencq1/...') #12 /home/sciencq1/public_html/wp-blog-header.php(13): require_once('/home/sciencq1/...') #13 /home/sciencq1/public_html/index.php(17): require('/home/sciencq1/...') #14 {main} thrown in /home/sciencq1/public_html/wp-includes/widgets.php on line 1342