This generally happens if you share JioSaavn OTP with one of your friend
Step 1: Log out of the app
Step 2: Long Press on JioSaavn app icon and press on “i” button
Step 3: Go to “Storage” and do “Clear Data”
Step 4: Enable Jio data as mobile data option (Turn off WiFi)
Step 5: Login to JioSaavn app
Step 6: Follow “Step 3” to guide on how to Set JioTune.