Drive offline on iphone app

ERROR
Mycloudex2 ultra is not accessible. Local documents are available.

when i tried to access on iphone mycloud app always this message poped up

please help

Note there is a dedicated subforum for the EX2 devices where users more familiar with the EX2 Ultra may be able to assist.

https://community.wd.com/c/network-attached-storage/wd-my-cloud-ex2/109

Generally when one is having remote access issues with their My Cloud assuming they’ve setup remote access properly in the past, is to disable remote access in the My Cloud Dashboard > Settings. Wait five to ten minutes, then re-enable remote access and see if the issue clears itself.