All of my notebooks are gone

All of my notebooks are gone

I had a personal Zoho account use for my own business and school work using my own Gmail address. A friend sent me an invitation to create a login for a Zoho work account for her community group as I collaborate with her on the group and it would have been easier to use the group email address.  When activating this new zoho group email address it asked me to login through my own account and I thought all was well until I tried to login for several weeks with the newly created community page email address. It never worked so my friend tried deleting and re-adding my name to her community work group account and it just never worked. I just tried to login to my own personal Zoho account using my own personal Gmail address and all of my notebooks and notes are gone. Please help!!!!