Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method dc_jqsocialstream::header() cannot be called statically in /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/class-wp-hook.php:288
Stack trace:
#0 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array)
#1 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#2 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/general-template.php(2879): do_action('wp_head')
#3 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-content/themes/steveambielli/header.php(42): wp_head()
#4 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/template.php(722): require_once('/homepages/35/d...')
#5 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/template.php(671): load_template('/homepages/35/d...', true)
#6 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/general-template.php(41): locate_template(Array, true)
#7 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-content/themes/steveambielli/404.php(1): get_header()
#8 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/template-loader.php(98): include('/homepages/35/d...')
#9 /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-blog-header.php(19): require_once('/homepages/35/d...')
#10 /homepages/35/d589841998/htdocs/sites/steveambielli.com/index.php(17): require('/homepages/35/d...')
#11 {main}
thrown in /homepages/35/d589841998/htdocs/sites/steveambielli.com/wp-includes/class-wp-hook.php on line 288