Errors after upgrading

I recently upgraded and am getting errors whenever I try to save a user’s info in the admin:

Warning: call_user_func_array() expects parameter 1 to be a valid callback, class ‘BP2WP_Full_Sync_Loader’ does not have a method ‘bp2wp_profile_update’ in /home/darlenedevries/public_html/livelovecards.com/wp-includes/class-wp-hook.php on line 298

Warning: call_user_func_array() expects parameter 1 to be a valid callback, class ‘BP2WP_Full_Sync_Loader’ does not have a method ‘bp2wp_profile_update’ in /home/darlenedevries/public_html/livelovecards.com/wp-includes/class-wp-hook.php on line 300

Warning: Cannot modify header information – headers already sent by (output started at /home/darlenedevries/public_html/livelovecards.com/wp-includes/class-wp-hook.php:298) in /home/darlenedevries/public_html/livelovecards.com/wp-includes/pluggable.php on line 1195