i installed the ultimate social plugin and i get this error message

can anyone please help me
i installed the ultimate social plugin and i get this error message

can anyone please help me
Hi there,
Our theme does have the wp_head() function it is in the:
wp-content/themes/x/framework/views/header/base.php
It is not added in header.php file as our thee implements it using other files as you see in the path above.
Thank you.