Spotify premium: an error occurred please try again

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I have paid Spotify premier due to I have experiencing the above error for long time and I thought was something with my internet but not I'm still getting this error when I search for any song, artist, play list, is really frustrating that I'm paying and I'm not getting the full access, I have try deleting the iPhone for the offline devices, logging out, delete the application and install it again from App Store and noting works, please help