Won't download my whole playlist!!!HELP

[Ivannnnnnnnnnnn]

I have a Iphone 6 and the Premium Spotify! I made my own playlist. I wanna listen this playlist in the offline mode too! So i clicked the buttom on the right side in my playlist "offlinemode" And i see left beside the songs a synbol. Whem they are green, they're ready to listen in the offline mode and 15 from 200 songs are green the other stay grey! WHY i wanna download them all! I paid for that! Now it dies not work! I tried with wifi and with the mobile Internet..... HELP ME GUYS

[Taylor]

Hi, and welcome to the community!

Try a quick reinstallation of the Spotify app and see if that clears things up.

How much space do you have left on your iPhone?

Are these all Spotify tracks you're trying to sync, or are they local files (ones you have stored as mp3s on your computer)?

Anthony