I have a student using a Mac (OS Ventura 13.5) that when she tries to save her current project after she has been working on it, AS will only give her a Save As option. So she ends up with many copies of the same project.
This happens whether whe uses the Menu Save or a quick key Cmd-S.
She made a new folder inside her class folder for our work Monday. She saved the first new project there successfully. Then we wrote some code, added a simple form with some controls. When she went to save the project again, AS only showed her the pop up for Save As - so she had to save it as a different project.