Fatal error: Uncaught Error: Call to undefined function has_children() in /homepages/21/d736165110/htdocs/mezghena/wp-content/themes/mb/page.php:12 Stack trace: #0 /homepages/21/d736165110/htdocs/mezghena/wp-includes/template-loader.php(106): include() #1 /homepages/21/d736165110/htdocs/mezghena/wp-blog-header.php(19): require_once('/homepages/21/d...') #2 /homepages/21/d736165110/htdocs/mezghena/index.php(17): require('/homepages/21/d...') #3 {main} thrown in /homepages/21/d736165110/htdocs/mezghena/wp-content/themes/mb/page.php on line 12