Toegang geblokkeerd: verzoek van Zyxel Cloud Sync is ongeldig?

mike4088

hello all ,,

is some one knowing thia : i try to configurate my Gmail Cloud sync app at my NAS540 but i get the message : acces blocked , request from Zyxel , Cloud sync not valid ?

is this app disabled by Zyxel ??

( Fout 400: invalid_request )

regards

M.Mols