Update causing critical errors on dashboard access

Hi, the most recent update is causing critical errors on dashboard access.

AH01071: Got error ‘PHP message: PHP Fatal error: Uncaught Error: Call to undefined function NetworkPosts\\Components\\Settings\\add_allowed_options() in path/wp-content/plugins/network-posts-extended/components/settings/NetsPostsBlogSettingsPage.php:64
Stack trace:
#0 path/wp-includes/class-wp-hook.php(287): NetworkPosts\\Components\\Settings\\NetsPostsBlogSettingsPage::register_settings()
#1 path/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters()
#2 path/wp-includes/plugin.php(478): WP_Hook->do_action()
#3 path/wp-admin/admin.php(170): do_action()
#4 path/wp-admin/index.php(10): require_once(‘path/w…’)
#5 {main}
thrown in path/wp-content/plugins/network-posts-extended/components/settings/NetsPostsBlogSettingsPage.php on line 64′