Fatal error: Uncaught Error: Call to a member function get_theme_option() on null in /home/hicondo/domains/hicondo.nl/public_html/wp-content/themes/hicondo/header.php:30 Stack trace: #0 /home/hicondo/domains/hicondo.nl/public_html/wp-includes/template.php(688): require_once() #1 /home/hicondo/domains/hicondo.nl/public_html/wp-includes/template.php(647): load_template('/home/hicondo/d...', true) #2 /home/hicondo/domains/hicondo.nl/public_html/wp-includes/general-template.php(41): locate_template(Array, true) #3 /home/hicondo/domains/hicondo.nl/public_html/wp-content/themes/hicondo/page.php(1): get_header() #4 /home/hicondo/domains/hicondo.nl/public_html/wp-includes/template-loader.php(87): include('/home/hicondo/d...') #5 /home/hicondo/domains/hicondo.nl/public_html/wp-blog-header.php(19): require_once('/home/hicondo/d...') #6 /home/hicondo/domains/hicondo.nl/public_html/index.php(17): require('/home/hicondo/d...') #7 {main} thrown in /home/hicondo/domains/hicondo.nl/public_html/wp-content/themes/hicondo/header.php on line 30