Website Buy it now button not working

[clynalwin]

I have created a buy it now button with several options, code below

<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="M9VGY5K2PL4D8">
<table>
<tr><td><input type="hidden" name="on0" value="Price includes postage (UK mainland only)">Price includes postage (UK mainland only)</td></tr><tr><td><select name="os0">
 <option value="1 Puppy Pen WHITE (£59.99 + £9.99p&p)">1 Puppy Pen WHITE (£59.99 + £9.99p&p) £69.98 GBP</option>
 <option value="2 Puppy Pens WHITE (£119.98 + £15.99p&p)">2 Puppy Pens WHITE (£119.98 + £15.99p&p) £135.97 GBP</option>
 <option value="3 Puppy Pens WHITE (£179.97 + £19.99p+p)">3 Puppy Pens WHITE (£179.97 + £19.99p+p) £199.96 GBP</option>
 <option value="4 Puppy Pens WHITE (£239.96 + £25.99p&p)">4 Puppy Pens WHITE (£239.96 + £25.99p&p) £265.95 GBP</option>
 <option value="1  Puppy Pen  PINK (£59.99 + £9.99p&p)">1  Puppy Pen  PINK (£59.99 + £9.99p&p) £69.98 GBP</option>
 <option value="2 Puppy Pens PINK (£119.98 + £15.99p&p)">2 Puppy Pens PINK (£119.98 + £15.99p&p) £135.97 GBP</option>
 <option value="3 Puppy Pens PINK (£179.97 + £19.99p&p)">3 Puppy Pens PINK (£179.97 + £19.99p&p) £199.96 GBP</option>
 <option value="4 Puppy Pens PINK (£239.96 + £25.99p&p)">4 Puppy Pens PINK (£239.96 + £25.99p&p) £265.95 GBP</option>
</select> </td></tr>
</table>
<input type="hidden" name="currency_code" value="GBP">
<input type="image" src="https://www.paypalobjects.com/en_GB/i/btn/btn_buynow_LG.gif" border="0" name="submit" alt="PayPal – The safer, easier way to pay online.">
<img alt="" border="0" src="https://www.paypalobjects.com/en_GB/i/scr/pixel.gif" width="1" height="1">
</form>

i have pasted ths into my site, when i test the button, after making my selection i get the following message from Paypal

PayPal cannot process this transaction because of a problem with the seller's website. Please contact the seller directly to resolve this problem.

help please ...

[PayPal_Arda]

Hi clynalwin,

Welcome to our community page 🙂

I am sorry to hear that. I suggest you to contact our Merchant Technical Support team directly. After you submit your inquiry, you should get a response within 24 hours.

If you haven’t already created an account for PayPal Merchant Technical Support site, please create one now. Here’s how:

1. Go to www.paypal.com/mts and click Sign Up in the top right-hand side of the window.
2. Enter your information and click Create Account. You can use any valid email address.

After you have created your account, you can submit your question. Here’s how:

1. Go to www.paypal.com/mts and click Contact Technical Support.
2. Fill in the form in as much detail as you can and click Continue.

Thank you for contacting us about this issue. I look forward to helping you if you have further questions.

Arda