Says syncing but all photos is synced

In LR (v.4.1 Windows) is states that it syncing (in my case 19) photos. The other tousands of photos has synced flawless sinces days ago. When I select "View" there is no photos. What is my next step?

In my iPad the synronisation is ready (the number of photos as the same in both units). 

I have no photos in the delete folder. (As described in post Solved: Lightroom CC, 2 photos "sync pending" but there ar... - Adobe Support Community - 11068363)