Fatal error: Uncaught Error: Call to undefined function architeck_display_loader() in /home3/rajabiin/p30demo.ir/wordpress/archi/wp-content/themes/architeck/header.php:36 Stack trace: #0 /home3/rajabiin/p30demo.ir/wordpress/archi/wp-includes/template.php(730): require_once() #1 /home3/rajabiin/p30demo.ir/wordpress/archi/wp-includes/template.php(676): load_template('/home3/rajabiin...', true, Array) #2 /home3/rajabiin/p30demo.ir/wordpress/archi/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #3 /home3/rajabiin/p30demo.ir/wordpress/archi/wp-content/themes/architeck/page.php(17): get_header() #4 /home3/rajabiin/p30demo.ir/wordpress/archi/wp-includes/template-loader.php(106): include('/home3/rajabiin...') #5 /home3/rajabiin/p30demo.ir/wordpress/archi/wp-blog-header.php(19): require_once('/home3/rajabiin...') #6 /home3/rajabiin/p30demo.ir/wordpress/archi/index.php(17): require('/home3/rajabiin...') #7 {main} thrown in /home3/rajabiin/p30demo.ir/wordpress/archi/wp-content/themes/architeck/header.php on line 36