Video tutorials are not playing

[um88]

This seems to be the same problem as this post from a few weeks ago. The play button does not appear

Can not Play Vedio

Hi Help me Please. I already pay for montly, 2 day ago. I cant play vedio on web and mobile device (Iphone 7) via App. My connection is good 30Mbps Playing youtube etc, no problem. But I cant play vedio from raywenderlich What must I do?