Critical error with new update

I now cannot view the or login as an admin!

This is the error message:
Fatal error: Uncaught Error: Call to undefined function burst_update_option() in /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-content/plugins/burst-statistics/class-endpoint.php:45 Stack trace: #0 /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-includes/class-wp-hook.php(308): burst_endpoint->setup_defaults('') #1 /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #2 /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-settings.php(480): do_action('plugins_loaded') #4 /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-config.php(87): require_once('/homepages/4/d1...') #5 /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-load.php(50): require_once('/homepages/4/d1...') #6 /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-blog-header.php(13): require_once('/homepages/4/d1...') #7 /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/index.php(17): require('/homepages/4/d1...') #8 {main} thrown in /homepages/4/d155632843/htdocs/clickandbuilds/PureGoodnessInfo/wp-content/plugins/burst-statistics/class-endpoint.php on line 45

How can I fix this?

Regards

Mel

The page I need help with: [log in to see the link]

 

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