paypal error code

i am putting my parts on the blog so i can sell them, i added them to my paypal inventory , after posting the html code , i am getting error:

http://gadgetsrepair.co/blog/entry/panasonic-n0ae5kk00002-mpf6913b-pcpf0288-power-supply.html

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and when i click on ADD TO CART, i get this message on paypal

Error Detected


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



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


you guys should have my logon information from last week post.

thanks