error at configuring paypal

Warning: Invalid argument supplied for foreach() in /var/www/web340/html/erfolgmitsenos/power/wp-content/plugins/jigoshop-ecommerce/src/Jigoshop/Admin/Settings/PaymentTab.php on line 238

Warning: Cannot modify header information – headers already sent by (output started at /var/www/web340/html/erfolgmitsenos/power/wp-content/plugins/jigoshop-ecommerce/src/Jigoshop/Admin/Settings/PaymentTab.php:238) in /var/www/web340/html/erfolgmitsenos/power/wp-includes/pluggable.php on line 1223

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