I've been organizing my files under sub-folders in the Files folder, without adding them to the Files tab in the IDE. I get warnings, but everything seems to work fine. Do I have to put them in the Files tab in the IDE before the release? I'd rather not since I have hundreds of files and sometimes they have the same name (not a problem currently because they are in different sub-folders).
It is OK where you have them in subfolders. If you do not want the WARNING to display in the log, type this at the end of the lines the give you the warning: 'ignore
Example: