soleane85 Posted August 2, 2019 Share Posted August 2, 2019 Hello, I can't upgrade my PS version 1.7.4 to 1.7.6 because when I use the Upgrade module, I've an error message with a 504 "backend unavailable". What's the problem? Thanks for your help. I try under safari and Chrome My Php is PHP 7.3 Link to comment Share on other sites More sharing options...
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