Error on cart due to Conditional Payment Methods For WooCommerce

I get a fatal error on my woocommerce cart-page when the plugin ‘Conditional Payment Methods For WooCommerce’ is active. But I need this plugin on my checkout page. How can I fix this? Is this an error in the plugin itself? How can I get rid of it?

Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, bool given in /data/sites/web/ytabe/www/wp-content/plugins/conditional-payment-methods-for-woocommerce/includes/rules/class-wc-cpm-by-location.php:178 Stack trace: #0 /data/sites/web/ytabe/www/wp-content/plugins/conditional-payment-methods-for-woocommerce/includes/rules/class-wc-cpm-by-location.php(178): array_keys(false) #1 /data/sites/web/ytabe/www/wp-content/plugins/conditional-payment-methods-for-woocommerce/includes/class-wc-cpm-controller.php(177): WC_CPM_By_Location->validate(Array) #2 /data/sites/web/ytabe/www/wp-includes/class-wp-hook.php(310): WC_CPM_Controller->filter_payment_gateways(Array) #3 /data/sites/web/ytabe/www/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #4 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(163): apply_filters(‘woocommerce_ava…’, Array) #5 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/includes/wc-template-functions.php(3921): WC_Payment_Gateways->get_available_payment_gateways() #6 /data/sites/web/ytabe/www/wp-includes/class-wp-hook.php(310): wc_get_pay_buttons(”) #7 /data/sites/web/ytabe/www/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(”, Array) #8 /data/sites/web/ytabe/www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #9 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/templates/cart/cart-totals.php(107): do_action(‘woocommerce_pro…’) #10 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include(‘/data/sites/web…’) #11 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/includes/wc-template-functions.php(2174): wc_get_template(‘cart/cart-total…’) #12 /data/sites/web/ytabe/www/wp-includes/class-wp-hook.php(310): woocommerce_cart_totals(”) #13 /data/sites/web/ytabe/www/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array) #14 /data/sites/web/ytabe/www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #15 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/templates/cart/cart.php(191): do_action(‘woocommerce_car…’) #16 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include(‘/data/sites/web…’) #17 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/includes/shortcodes/class-wc-shortcode-cart.php(99): wc_get_template(‘cart/cart.php’) #18 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/includes/class-wc-shortcodes.php(72): WC_Shortcode_Cart::output(Array) #19 /data/sites/web/ytabe/www/wp-content/plugins/woocommerce/includes/class-wc-shortcodes.php(85): WC_Shortcodes::shortcode_wrapper(Array) #20 /data/sites/web/ytabe/www/wp-includes/shortcodes.php(433): WC_Shortcodes::cart(”, ”, ‘woocommerce_car…’) #21 [internal function]: do_shortcode_tag(Array) #22 /data/sites/web/ytabe/www/wp-includes/shortcodes.php(273): preg_replace_callback(‘/\\[(\\[?)(woocom…’, ‘do_shortcode_ta…’, ‘[woocommerce_ca…’) #23 /data/sites/web/ytabe/www/wp-includes/class-wp-hook.php(310): do_shortcode(‘[woocommerce_ca…’) #24 /data/sites/web/ytabe/www/wp-includes/plugin.php(205): WP_Hook->apply_filters(‘[woocommerce_ca…’, Array) #25 /data/sites/web/ytabe/www/wp-includes/post-template.php(256): apply_filters(‘the_content’, ‘<!– wp:shortco…’) #26 /data/sites/web/ytabe/www/wp-content/themes/kpot-theme/page.php(13): the_content() #27 /data/sites/web/ytabe/www/wp-includes/template-loader.php(106): include(‘/data/sites/web…’) #28 /data/sites/web/ytabe/www/wp-blog-header.php(19): require_once(‘/data/sites/web…’) #29 /data/sites/web/ytabe/www/index.php(17): require(‘/data/sites/web…’) #30 {main} thrown in/data/sites/web/ytabe/www/wp-content/plugins/conditional-payment-methods-for-woocommerce/includes/rules/class-wc-cpm-by-location.php