Fatal error: Uncaught Error: Call to undefined function is_shop() in /var/www/wp-content/themes/profund/inc/profund-function.php:73 Stack trace: #0 /var/www/wp-content/themes/profund/template-parts/site-header.php(19): profund_page_title() #1 /var/www/wp-includes/template.php(732): require('/var/www/wp-con...') #2 /var/www/wp-includes/template.php(676): load_template('/var/www/wp-con...', false, Array) #3 /var/www/wp-includes/general-template.php(204): locate_template(Array, true, false, Array) #4 /var/www/wp-content/themes/profund/archive.php(2): get_template_part('template-parts/...') #5 /var/www/wp-includes/template-loader.php(106): include('/var/www/wp-con...') #6 /var/www/wp-blog-header.php(19): require_once('/var/www/wp-inc...') #7 /var/www/index.php(17): require('/var/www/wp-blo...') #8 {main} thrown in /var/www/wp-content/themes/profund/inc/profund-function.php on line 73