We've checked and it looks like you're having trouble with the playlists URI because your username has a dot which is considered a special character. No worries! In this case, you can get in touch with our Accounts team and they will give you a hand on this.
You can get in touch with them from any of our social media help sites: @SpotifyCares on Twitter and Spotify Cares on Facebook. Just send them a private message with your account's email address and username.
Just to keep you posted, I had passed tbis on to the right folks and things should be working now. Could you let me know if you can share your playlist on the Playlist Exchange now?
Let me know! :)
YES! It is indeed working now! THANK YOU so much for your help, thats brilliant.
I had contacted customer service and they said I would have to delete my account and move everything to a new account etc... long process so wasn't keen on it and just accepted that the URIs won't ever work :D. But now it seems to be solved!