I installed this on my site a few months back and now I test it out and it doesn't work. The api settings are correct.

After clicking checkout button I get this error:


Warning: array_merge() [function.array-merge]: Argument #1 is not an array in /home/nrscoati/public_html/sipwnc/includes/modules/payment/paypalwpp.php on line 1467

Warning: array_merge() [function.array-merge]: Argument #2 is not an array in /home/nrscoati/public_html/sipwnc/includes/modules/payment/paypalwpp.php on line 1467

Warning: Cannot modify header information - headers already sent by (output started at /home/nrscoati/public_html/sipwnc/includes/modules/payment/paypalwpp.php:1467) in /home/nrscoati/public_html/sipwnc/includes/modules/payment/paypalwpp.php on line 1492

Warning: Cannot modify header information - headers already sent by (output started at /home/nrscoati/public_html/sipwnc/includes/modules/payment/paypalwpp.php:1467) in /home/nrscoati/public_html/sipwnc/includes/functions/functions_general.php on line 44