This is a fix for anyone who is hitting the art club bug. I've searched heavily in this thread, and this issue has been creeping up across the years. Basically, you do the original art club modeling, and then you never are asked to do so again. This also blocks you on progressing with other clubs.
You need to open your savefile in a save editor and modify the Artclub (33) variable. You will probably have to add it as a new variable 33 and set it to 5. (Other numbers may also work, but I haven't tested them.) Note that not all save editors can 'add' a variable. Some can only edit existing ones.
saveeditonline.com if you go to raw form can add a variable