rpdesign Posted April 18, 2010 Share Posted April 18, 2010 the folowing error message comes up in paypal sandbox mode This invoice has already been paid. For more information, please contact the merchant. any help would be appreciated :-" Quote Always backup your files! You will be glad you didMy add-ons :SSPP Seperate Shipping Per Product v2.5| SupportGift vouchers for SPPC 4.22 v2.1 | Support |Catalog Infobox v1.0 | Sorry no support for Catalog Infobox |HTML Mail v2.0 | Support |Upcoming Add ons:Addon Manager | Separate Pricing Per Product Qty |Coupon Populate | EZ-PDF Catalog Link to comment Share on other sites More sharing options...
satish Posted August 19, 2010 Share Posted August 19, 2010 the folowing error message comes up in paypal sandbox mode This invoice has already been paid. For more information, please contact the merchant. any help would be appreciated Quote Ask/Skype for Free osCommerce value addon/SEO suggestion tips for your site. Check My About US For who am I and what My company does. Link to comment Share on other sites More sharing options...
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