Error on upgrade

We are getting
“dropbox_access_key”: doc.dropbox_access_key,
AttributeError: ‘list’ object has no attribute ‘dropbox_access_key’ after latest upgrade. What we need to do to correct the issue?

-Amit

@Amit_Saxena Thanks for reporting the issue. Fixing via [fix] dropbox service fix by saurabh6790 · Pull Request #2064 · frappe/frappe · GitHub

Merged the fix, please update again.