Editor X: Image Gallery problem

[guillaumegt]

Hi i am working on my web site, suddenly all images i set in content manager disappeared, i tried to restart the editor X but it does’nt fix the issue. Here are somes screenshots describing the issue. This happened to me twice today, how i can fix this ?

[AndrewT]

As I can see, at this point there is no image element that is connected to the dataset itself and attached to the repeater, it should be something like this, for the connection to go properly: