If you find this, move it to the desktop (for the time being), then launch iTunes and see if the problem is solved. Cheers. (FYI - your "Home" folder is generally the little house with your name on it showing in the Finder window, but you won't find the Quicktime folder in ...
I have to click on the WDMy Cloud Public Alias icon and re-connect the folder then find the iTunes library file and start up iTunes. Not something I want to do everyday. iTunes worked fine on an external seagate drive (2tb) but won't walk seamlessly on the WD My Cloud NAS. It ...