HI Justin Thanks for this suggestion, i did it but no way as in fact i was using the real merchant account for sandbox buyer ! As soon as i used the sandbox merchant id account everything got in order . Thanks !
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Hello
When choosing paypal payment under sandbox I arrive on this url:
https://www.mywebsite.fr/modules/paypal/express_checkout/payment.php
I have this message error: error occured
https://www.screencast.com/t/aeSczcfpT4m
I completely redo the credentials procedure, and paypal tells me that everything is ok on the prestashop back office
Thanks for the tips
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J'ai trouvé la réponse, en allant aussi questionner ici sur prestashop : https://www.prestashop.com/forums/topic/590895-erreur-500-suite-installation-module-paypal/
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bonjour suite à cette installation , la phase de paiement génère une erreur 500 : https://www.screencast.com/t/yBmRPYYoMd9 Paypal m'indique aucun problème de leur coté mais un problème du site prestashop dernière version, 1.7x , module natif paypal, .. Je comprends rien, merci pour votre aide
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