Fatal error: Uncaught Error: Call to undefined function twentynineteen_can_show_post_thumbnail() in /home/foxnetworking/public_html/wp-content/themes/foxcomputersolutions/template-parts/content/content-single.php:15 Stack trace: #0 /home/foxnetworking/public_html/wp-includes/template.php(812): require() #1 /home/foxnetworking/public_html/wp-includes/template.php(745): load_template() #2 /home/foxnetworking/public_html/wp-includes/general-template.php(206): locate_template() #3 /home/foxnetworking/public_html/wp-content/themes/foxcomputersolutions/single.php(24): get_template_part() #4 /home/foxnetworking/public_html/wp-includes/template-loader.php(106): include('/home/foxnetwor...') #5 /home/foxnetworking/public_html/wp-blog-header.php(19): require_once('/home/foxnetwor...') #6 /home/foxnetworking/public_html/index.php(17): require('/home/foxnetwor...') #7 {main} thrown in /home/foxnetworking/public_html/wp-content/themes/foxcomputersolutions/template-parts/content/content-single.php on line 15