Hocam temanın sahibi php 7.2 den aşağısında çalışmaz demişti o sebeple 7.2 ye yükselttik. Debug modu açında lattaki mesaj geliyor

Fatal error: Uncaught Error: Call to undefined function ecan_get_option() in /home/admin/web/lafmacun.net/public_html/wp-content/themes/hugealters/header.php:4 Stack trace: #0 /home/admin/web/lafmacun.net/public_html/wp-includes/template.php(722): require_once() #1 /home/admin/web/lafmacun.net/public_html/wp-includes/template.php(671): load_template('/home/admin/web...', true) #2 /home/admin/web/lafmacun.net/public_html/wp-includes/general-template.php(41): locate_template(Array, true) #3 /home/admin/web/lafmacun.net/public_html/wp-content/themes/hugealters/index.php(1): get_header() #4 /home/admin/web/lafmacun.net/public_html/wp-includes/template-loader.php(78): include('/home/admin/web...') #5 /home/admin/web/lafmacun.net/public_html/wp-blog-header.php(19): require_once('/home/admin/web...') #6 /home/admin/web/lafmacun.net/public_html/index.php(17): require('/home/admin/web...') #7 {main} thrown in /home/admin/web/lafmacun.net/public_html/wp-content/themes/hugealters/header.php on line 4