Salient 8.5.4 is Now Compatible with Woocommerce 3.3.1 . Kindly update the Theme if you have updated Woocommerce . 

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Increase Nectar Love value manually

Add this code to function.php press save button . Once updated remove the code:

/* update_post_meta(post_id, '_nectar_love',value) */
update_post_meta(1851, '_nectar_love',60);

For more info on the function: http://codex.wordpress.org/Function_Reference/update_post_meta