Error XML...how should I handle this issue? 
Auteur : Alexandre A.
Visité 1733,
Followers 1,
Partagé 0
How should I handle this issue? I can´t load my site.
Posté le
You already are up to date, follow this:
https://helpcenter.websitex5.com/fr/post/209486
or
https://helpcenter.websitex5.com/fr/post/208075
Hope one of these helps.
Make regular backup's in step 5 export project. (if you have one ga back to this file) this can be a tricky erro to recover.
Goodluck.