Imported Google calendar -- now cannot edit

Imported Google calendar -- now cannot edit

I imported my Google calendar into Zoho CRM, and cannot delete or edit anything there.  I have sent many, many, many requests to "support", begging for help.  No one has been able to undo the import.  This makes my Zoho CRM calendar unusable and unreliable.

Any Zoho geniuses out there that could help me out?

Aloha,
Phyllis