<No matter what the reason is (long path or funny character or many files) the Cloud should handle that.>
Of, course it should but the bottom line is it doesn’t without some work from the end user. Check my post above and downgrade the firmware. Then, you can SSH into your MyCloud and stop the scanning services that cause the other problems.
http://community.wd.com/t5/WD-My-Cloud/Hidden-wdmc-directories-created-by-mcserver-and-photodbmerger/m-p/682091/highlight/true#M7765
Once you’ve done that you will have a device that you can actually use properly
