Error: the communication with Picasa Web Albums didn’t go as expected. Here’s what Picasa Web Albums said:
404. That’s an error.
The requested URL /data/feed/api/user/ts.stopar/album/OslavaVlkovice11042015?kind=photo&authkey=Gv1sRgCI-Lqu_K4KPH7QE was not found on this server. That’s all we know.