Hi Nicolas,
After I changed the no_shipping value to 2, PayPal checked what HikaShop is returning for me. Here is what they sent:
cmd=_ext-enter
redirect_cmd=_cart
upload=1
business=HERE IS MY E-MAIL ADDRESS FOR THE SHOPPING CART
receiver_email=SAME E-MAIL ADDRESS
invoice=167
currency_code=USD
return=XXX
notify_url=XXX
cancel_return=XXX
undefined_quantity=0
test_ipn=0
no_shipping=2
no_note=1
charset=utf-8
rm=2
bn=HikariSoftware_Cart_WPS
address_override=0
first_name=test
last_name=st
address1=
address2=
zip=12354
city=
state=
country=TR
email=testingmts11@gmail.com
night_phone_b=604506465
item_name_1=California Wonder
item_number_1=California_Wonder
amount_1=1.75
quantity_1=1
item_name_2=Postalama ve paketleme
amount_2=3.5
quantity_2=1
discount_amount_cart=0
Could you please let me know if you see anything is wrong? Thanks in advance.