In setExpresscheckoutprocess, when i run following code in browser, and after clicking setexpresscheckout button, i get following error(shown at bottom):
<form method=post action=http://api-3t.sandbox.paypal.com/nvp>
<input type=hidden name=USER value= swami_1207053324_biz_api1.rediffmail.com/>
<input type=hidden name=PWD value= MQP3DPCSD2TA9DWP/>
<input type=hidden name=SIGNATURE value= AbezZjelAl6nrwS3tRKwWg15jSNNAOfD.vfJQf36evR.CTqkXZyofRzi/>
<input type=hidden name=VERSION value=2.3 />
<input type=hidden name=PAYMENTACTION value=Authorization/>
<input type=hidden name=AMT value=19.95/>
<input type=hidden name=RETURNURL value=http://www.steadfastglobal.com />
<input type=hidden name=CANCELURL value=http://www.google.com />
<input type=submit name=METHOD value=SetExpressCheckout />
</form>
ERROR:
ACK=Failure&L_ERRORCODE0=81002&L_SHORTMESSAGE0=Unspecified%20Method&L_LONGMESSAG E0=Method%



