I solved copying in the project "EditorBuildSettings.asset" from another new project.i think that the old "EditorBuildSettings.asset" was corrupted. :-?
Volcanic-Penguin said:
When you say all the scenes are added in the build settings, does that include having their checkboxes checked?
yes, all the checkboxes are checked, in fact it works in the editor and if i make the build form unit…