You must specify at least one folder as a source. Either by selecting the folders individually, and/or by selecting all local folders, all remote folders, or both.
Gutxienez karpeta bat zehaztu behar duzu iturburu gisa. Karpetak banaka hauta ditzakezu, eta/edo karpeta lokal guztiak hautatu, edo urruneko karpeta guztiak, edo biak.