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Hello,

I have this issue when sometimes prices are not shown with tax on the front-end for some users.
This results in a  customer not being able to checkout 

I found out that deleting certain cookies which have an exipry dat set to infinitive will solve the problem.
(see screenshot for these cookies)

I would like to know how to reset the expiry time of these cookies or maybe even better how to prevent the webshop from generating these issues.
Does anybody know what may cause this?

I am using prestashop 1.6.18