Error in admin panel Woocommerce orders

Hello and Thanks for the cool plugin,

i get the following error since i installed the plugin:
2018-03-20T16:08:30+00:00 CRITICAL Uncaught ArgumentCountError: Too few arguments to function WCPayPalPlus\WC\PayPalPlusGateway::__construct(), 0 passed in /var/www/virtual/drk/domain.de/wp-content/plugins/woocommerce-pos/includes/admin/class-wc-pos-orders.php on line 79 and at least 2 expected in /var/www/virtual/drk/domain.de/wp-content/plugins/woo-paypalplus/src/WC/PayPalPlusGateway.php:73
Stack trace:
#0 /var/www/virtual/drk/domain.de/wp-content/plugins/woocommerce-pos/includes/admin/class-wc-pos-orders.php(79): WCPayPalPlus\WC\PayPalPlusGateway->__construct()
#1 /var/www/virtual/drk/domain.de/wp-includes/class-wp-hook.php(286): WC_POS_Admin_Orders->payment_gateways(Array)
#2 /var/www/virtual/drk/domain.de/wp-includes/plugin.php(203): WP_Hook->apply_filters(Array, Array)
#3 /var/www/virtual/drk/domain.de/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(97): apply_filters(‘woocommerce_pay…’, Array)
#4 /var/www/virtual/drk/domain.de/wp-content/plugins/woocommerce/includes/class-wc-pay

I get this error on the page
wp-admin/post.php?post=42974&action=edit

when i want to view the details of a woocommerce order.

Can you help?

Greets 🙂