@support
In functions.php of plugin find:
if(osp_param('paystack_enabled') == 1 && in_array(osp_currency(), array('NGN', 'USD'))) {
Change to:
if(osp_param('paystack_enabled') == 1 && in_array(osp_currency(), array('GHS', 'NGN', 'USD'))) {
In admin/gateway.php find:
<?php if(!in_array(osp_currency(), array('NGN', 'USD'))) { ?>
Replace with:
<?php if(!in_array(osp_currency(), array('NGN', 'GHS', 'USD'))) { ?>