Fatal error

I get the following error:

Used Zakra Theme with BlockArt as a block editor. WooCommerce as store. Woocommerce has no problems. Also the plugin causes problems when I want to customize the theme etc.

Fatal error: Uncaught Error: Call to a member function is_empty() on null
in /home/1223890.cloudwaysapps.com/qyuytqrudk/public_html/wp-content/plugins/wp-crowdfunding/includes/woocommerce/Woocommerce.php on line 112

Call stack:

WPCF\woocommerce\Woocommerce::override_checkout_fields()
wp-includes/class-wp-hook.php:324
WP_Hook::apply_filters()
wp-includes/plugin.php:205
apply_filters()
wp-content/plugins/woocommerce/includes/class-wc-checkout.php:300
WC_Checkout::get_checkout_fields()
wp-content/plugins/woocommerce-gateway-stripe/includes/payment-methods/class-wc-stripe-upe-payment-gateway.php:359
WC_Stripe_UPE_Payment_Gateway::javascript_params()
wp-content/plugins/woocommerce-gateway-stripe/includes/class-wc-stripe-blocks-support.php:250
WC_Stripe_Blocks_Support::get_gateway_javascript_params()
wp-content/plugins/woocommerce-gateway-stripe/includes/class-wc-stripe-blocks-support.php:175
WC_Stripe_Blocks_Support::get_payment_method_data()
wp-content/plugins/woocommerce/src/Blocks/Payments/PaymentMethodRegistry.php:62
Automattic\W\B\P\PaymentMethodRegistry::get_all_registered_script_data()
wp-content/plugins/woocommerce/src/Blocks/Payments/Api.php:92
Automattic\W\B\P\Api::add_payment_method_script_data()
wp-includes/class-wp-hook.php:324
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:348
WP_Hook::do_action()
wp-includes/plugin.php:517
do_action()
wp-content/plugins/woocommerce/src/Blocks/BlockTypes/MiniCart.php:215
Automattic\W\B\B\MiniCart::enqueue_data()
wp-content/plugins/woocommerce/src/Blocks/BlockTypes/AbstractBlock.php:109
Automattic\W\B\B\AbstractBlock::enqueue_editor_assets()
wp-includes/class-wp-hook.php:324
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:348
WP_Hook::do_action()
wp-includes/plugin.php:517
do_action()
wp-includes/class-wp-customize-widgets.php:879
WP_Customize_Widgets::enqueue_scripts()
wp-includes/class-wp-hook.php:324
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:348
WP_Hook::do_action()
wp-includes/plugin.php:517
do_action()
wp-admin/customize.php:123