Welcome back to the community, @Giuliano! Yes, when you try to edit a survey project that has select_one_from_file or select_multiple_from_file from the form builder UI it shows this message. However, if you follow the steps outlined below you should be able to update your survey project that has select_one_from_file or select_multiple_from_file.
- Download your xlsform
- Made edits to your xlsform where needed
- Upload and replace your edited xlsform
- Redeploy your project
