I have a premium sub, am running the most recent version of the IOS app (v 3.0.4 on an iPhone 13Pro / IOS 15.2.1) and trying to link my dropbox account. I select dropbox, enter login details and mfa code and get the following message:
Error connecting app:
This app is unable to link additional users because it has been frozen pending review.
Dropbox app is installed and working fine, no issues connecting to google drive or browsing phone.