When a customer reach final page of shopping process client doesn't not receive the confirmation web page. It stops on a white page ( for both of pay methods - pay on delivery and payment by transfer).
The links where the order blocks are the following:
https://palmera.com.bd/index.php?fc=module&module=ps_wirepayment&controller=validation
https://palmera.com.bd/index.php?fc=module&module=ps_cashondelivery&controller=validation
.......is currently unable to handle this request.
HTTP ERROR 500
How can slove it?