Hi, this is my first message here. I have a form with only one single option to pay. If you click it you have been taken to a PayPal page where you can insert your data to pay the service you are buying. The service is described in the left part of PayPal page by the <option value=""></option>. I have tried to add a new value to the form with a new <option value=""></option>, different from the previous one. I believed it have been taken the user to the PayPal page with the new service to buy and the new price, but I have obtained only a mixed and invalid voice to buy. So, should I modify something else in that form? Should I make changes in the encrypted values coming after the form (<input type="hidden" name="encrypted" value="-----BEGIN..........>)? or? Thanks for your attention
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