Why won't contact save on the Micromax Yu Yureka?

In my yureka new contact it doesn't save.. What can I do ?




when i edit my contact and save, its shows nothing and stuck on contact edit screen. when i delete that contact its shows "This Contact Contains information from multiple accounts. Information from read-only accounts will be hidden in your contacts list, not Deleted."
so what is the problem can you solve this?


Anything shows up when trying to save a new contact?



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