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prestashop 1.7 Admin login fail TypeError: jsonData is null


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Configuration prestashop


I have issue after transfer site on new domain. The website is in maintenance mode. But when i try to login to Prestashop admin, i have the form i enter login and password and click to submit.

And nothing happen...


On the console i have this error log :


TypeError: jsonData is null



login.js?v= Uncaught TypeError: Cannot read property 'hasErrors' of null
    at Object.success (login.js?v=
    at j (jquery-1.11.0.min.js:2)
    at Object.fireWith [as resolveWith] (jquery-1.11.0.min.js:2)
    at x (jquery-1.11.0.min.js:4)
    at XMLHttpRequest.b (jquery-1.11.0.min.js:4)


Someone now how can i solve it. I haven't see any solution on different forum (only for add to cart button but it's not the same issue)


Thank you all.



Edited by tpardo13 (see edit history)

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