PROBLEM: Payment Pro problem submit ads without login.

[abc500x500]

Hi.
There are some problem with osclass payment pro plugin.

Publish fee enabled each 100IRR
1) I submit one ad, with email: e1@w.com and username: eee it go to check out and payment not success and afterward i submit second ad, with email: b2@m.com and username: bbb it go to check out and I see 2 invoice are for pay 2*100IRR  200IRR!

2) also when url is:
osclass/index.php?page=custom&route=payment-pro-checkout without item number in url it still show check out invoice!

Please help or solve problem.
Thanks

[abc500x500]

also i want to know how i can send unregisterd user EMAIL and NAME and PHONE to /paymnet_pro/payments/MyPayment.php class.
please help.
Thanks