Fatal error: Uncaught Error: Call to undefined function rella_helper() in /home/erunoffi/setarehsadeghi.ir/wp-content/themes/boo/header.php:10 Stack trace: #0 /home/erunoffi/setarehsadeghi.ir/wp-includes/template.php(723): require_once() #1 /home/erunoffi/setarehsadeghi.ir/wp-includes/template.php(672): load_template('/home/erunoffi/...', true) #2 /home/erunoffi/setarehsadeghi.ir/wp-includes/general-template.php(41): locate_template(Array, true) #3 /home/erunoffi/setarehsadeghi.ir/wp-content/themes/boo/page.php(8): get_header() #4 /home/erunoffi/setarehsadeghi.ir/wp-includes/template-loader.php(106): include('/home/erunoffi/...') #5 /home/erunoffi/setarehsadeghi.ir/wp-blog-header.php(19): require_once('/home/erunoffi/...') #6 /home/erunoffi/setarehsadeghi.ir/index.php(17): require('/home/erunoffi/...') #7 {main} thrown in /home/erunoffi/setarehsadeghi.ir/wp-content/themes/boo/header.php on line 10