Fatal error: Uncaught Error: Call to undefined function cc_update_next_invoice_number() in /data01/virt49647/domeenid/www.elvtehnika.ee/htdocs/wp-content/themes/elvtehnika/templates/test.php:8 Stack trace: #0 /data01/virt49647/domeenid/www.elvtehnika.ee/htdocs/wp-includes/template-loader.php(106): include() #1 /data01/virt49647/domeenid/www.elvtehnika.ee/htdocs/wp-blog-header.php(19): require_once('/data01/virt496...') #2 /data01/virt49647/domeenid/www.elvtehnika.ee/htdocs/index.php(17): require('/data01/virt496...') #3 {main} thrown in /data01/virt49647/domeenid/www.elvtehnika.ee/htdocs/wp-content/themes/elvtehnika/templates/test.php on line 8