Welcome to the community, @mtyszler_blonk! This is a bug at our end. But as a workaround until we fix it, could you kindly follow these steps outlined in our other post:
Btw, I need to see how to do this, since the goal of having a csv was to automated the update process (i.e, have a pipeline that rebuilds the csv contents and updates it. But now I need to delete everything, deploy, add everything deploy… It should be doable but is a workaround