Can’t add connections when Dropbox source is selected

Hello ,
I can’t share my connections from iPad to my MacBook... I am trying with Dropbox....
I tryied with 2 different Dropbox accounts, both are validated, but trying to add a connection I can’t, “plus” sign is deactivated.
I prefer to use Dropbox instead of devolution’s online (which is correctly working...)

The syslog shows errors returned by the Dropbox api.... as follows


1/7/2018 4:49:08 PM]ERROR SILENT System.AggregateException: One or more errors occurred. ---> Dropbox.Api.ApiException`1[Dropbox.Api.Files.GetMetadataError]: path/not_found/
at Dropbox.Api.DropboxRequestHandler+SendRpcRequestAsync>d__5`3[TRequest,TResponse,TError].MoveNext

Thank for your help!

Ramon