Fatal error: Uncaught Error: Attempt to assign property "extra" on null in /homepages/21/d84346221/htdocs/content/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/class-asset-manager.php:975
Stack trace:
#0 /homepages/21/d84346221/htdocs/content/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/class-asset-manager.php(288): aviaAssetManager->try_deregister_scripts('avia-head-scrip...')
#1 /homepages/21/d84346221/htdocs/content/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/class-asset-manager.php(105): aviaAssetManager->merge('js', 'avia-head-scrip...', Array)
#2 /homepages/21/d84346221/htdocs/content/wp-includes/class-wp-hook.php(308): aviaAssetManager->try_minifying_scripts('')
#3 /homepages/21/d84346221/htdocs/content/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#4 /homepages/21/d84346221/htdocs/content/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#5 /homepages/21/d84346221/htdocs/content/wp-includes/script-loader.php(2194): do_action('wp_enqueue_scri...')
#6 /homepages/21/d84346221/htdocs/content/wp-includes/class-wp-hook.php(308): wp_enqueue_scripts('')
#7 /homepages/21/d84346221/htdocs/content/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#8 /homepages/21/d84346221/htdocs/content/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#9 /homepages/21/d84346221/htdocs/content/wp-includes/general-template.php(3049): do_action('wp_head')
#10 /homepages/21/d84346221/htdocs/content/wp-content/themes/enfold/header.php(221): wp_head()
#11 /homepages/21/d84346221/htdocs/content/wp-includes/template.php(783): require_once('/homepages/21/d...')
#12 /homepages/21/d84346221/htdocs/content/wp-includes/template.php(718): load_template('/homepages/21/d...', true, Array)
#13 /homepages/21/d84346221/htdocs/content/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#14 /homepages/21/d84346221/htdocs/content/wp-content/themes/enfold/archive.php(9): get_header()
#15 /homepages/21/d84346221/htdocs/content/wp-includes/template-loader.php(106): include('/homepages/21/d...')
#16 /homepages/21/d84346221/htdocs/content/wp-blog-header.php(19): require_once('/homepages/21/d...')
#17 /homepages/21/d84346221/htdocs/content/index.php(17): require('/homepages/21/d...')
#18 {main}
thrown in /homepages/21/d84346221/htdocs/content/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/class-asset-manager.php on line 975