Back Up Fails with OSStatus error 17

My Cloud OS 3 Personal & Network Attached Storage My Cloud
1

I have a Mac Book Pro and recently upgraded to Sierra. My Mac won’t back up to the WDMycloud and shows the above error message. I have Firmware v04.05.00-315. Can anyone help?

2

Hi, Gwynner,

Maybe you should try contacting WD’s Technical Support about this.

To Contact WD for Technical Support
http://support.wdc.com/support/case.aspx?lang=en