Wp crowdfunding pro Stripe Connect error

Hi,
I’m getting this error on WP Crowdfunding pro version. when i trying to login in my dashboard. Kindly help me how to fix this problem.
Fatal error: Uncaught Error: Call to a member function get_cart() on null in public_html/wp-content/plugins/wp-crowdfunding-pro/addons/stripe-connect/classes/init.php:118 Stack trace: #0 public_html/wp-includes/class-wp-hook.php(292): WPCF_Stripe_Connect_Init->filter_gateways(Array) #1 public_html/wp-includes/plugin.php(212): WP_Hook->apply_filters(Array, Array) #2 public_html/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(160): apply_filters(‘woocommerce_ava…’, Array) #3 public_html/wp-content/plugins/woocommerce-subscriptions/includes/gateways/class-wc-subscriptions-payment-gateways.php(115): WC_Payment_Gateways->get_available_payment_gateways() #4 public_html/wp-content/plugins/woocommerce-subscriptions/includes/admin/class-wc-su in public_html/wp-content/plugins/wp-crowdfunding-pro/addons/stripe-connect/classes/init.php on line 118