Okay, the pp_confirm.php is in place and I get this error:
Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/aerialda/public_html/pp_confirm.php:6) in /home/aerialda/public_html/pp_confirm.php on line 8
Fatal error: Call to undefined function WA_PP_ECO_GetValue() in /home/aerialda/public_html/pp_confirm.php on line 226