Growdiaries is broken and every time they try and fix one thing another 2 things get broken.
Give it a week or two and try again.
Email them your issues and maybe it will get fixed faster. they have a contact us form that works.
growdiaries.com/contact
If updating old, refresh page and go to your main, despite eror message youll have that week. It crashes on avatar selection of that week, but update is saved.
I started totally new diary, all went ok there too.