Fatal error: Uncaught Error: Call to undefined function opcache_invalidate() in /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/wp-content/themes/susanne-b/header.php:13
Stack trace:
#0 /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/wp-includes/template.php(783): require_once()
#1 /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/wp-includes/template.php(718): load_template()
#2 /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/wp-includes/general-template.php(48): locate_template()
#3 /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/wp-content/themes/susanne-b/archive.php(12): get_header()
#4 /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/wp-includes/template-loader.php(106): include('/mnt/web316/b3/...')
#5 /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/wp-blog-header.php(19): require_once('/mnt/web316/b3/...')
#6 /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/index.php(17): require('/mnt/web316/b3/...')
#7 {main}
  thrown in /mnt/web316/b3/52/52162852/htdocs/susanne-buerner/wp-content/themes/susanne-b/header.php on line 13