Hello Subhajit, thanks for choosing Origami! Please enable the debug mode on your WP installation and let me know which errors appear after activating the theme.
Cheers,
Andrii / Satori Studio
Deprecated: A função get_currentuserinfo está obsoleta desde a versão 4.5.0! Em vez disso, use wp_get_current_user(). in /var/www/html/wp-includes/functions.php on line 5383