Boxes doesn’t show-up anymore suddenly

Hi,

I’m embarassed. My boxes doesn’t show up anymore and I don’t have access anymore to the Builder page. My History page seems reseted too…
Does anybody have this issue ? I updated to the latest version of visual slide box
https://image.noelshack.com/fichiers/2019/11/3/1552471517-capture-d-ecran-2019-03-13-a-11-02-59.png
https://image.noelshack.com/fichiers/2019/11/3/1552471521-capture-d-ecran-2019-03-13-a-11-05-03.png

Thanks.