Fatal error: Uncaught Error: Call to undefined function add_menu_page() in /home/ketabema/public_html/wp-content/themes/parskala/core.php:3
Stack trace:
#0 /home/ketabema/public_html/wp-content/themes/parskala/functions.php(0): unknown()
#1 /home/ketabema/public_html/wp-settings.php(663): include('/home/ketabema/...')
#2 /home/ketabema/public_html/wp-config.php(102): require_once('/home/ketabema/...')
#3 /home/ketabema/public_html/wp-load.php(50): require_once('/home/ketabema/...')
#4 /home/ketabema/public_html/wp-blog-header.php(13): require_once('/home/ketabema/...')
#5 /home/ketabema/public_html/index.php(17): require('/home/ketabema/...')
#6 {main}
thrown in /home/ketabema/public_html/wp-content/themes/parskala/core.php on line 3