HIKASHOP ESSENTIAL 60€The basic version. With the main features for a little shop.
HIKAMARKETAdd-on Create a multivendor platform. Enable many vendors on your website.
HIKASERIALAdd-on Sale e-tickets, vouchers, gift certificates, serial numbers and more!
MARKETPLACEPlugins, modules and other kinds of integrations for HikaShop
-- url of the page with the problem -- :
www.sewladidavintage.com
-- HikaShop version -- : 2.3.5
-- Joomla version -- : Joomla! 3.3.6
Hi,
all of a sudden Paypal is not connecting anymore. This is my only payment plugin and I need it to work, as I have a promotion starting tomorrow!
The error message I get is this:
This invoice has already been paid. For more information, please contact the merchant.
Your purchase couldn't be completed
There's a problem with the merchant's PayPal account. Please try again later.
Does anybody know what's happening?
Many thanks
Anni
Since panicking and posting this I have done a lot more browsing and have finally found the solution. I had recently redeveloped the site and Hikashop had started counting invoices again, so Paypal was refusing payment for something that had already been paid. So after changing settings in Paypal and running a query in phpMyAdmin, I am now back on track.
Happy 
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