Viber disappearing back to main screen of iPhone 5

[iMore Question]

Viber on my iPhone 5 keeps crashing. Can't even manage to type in the contact and it already disappears to the front screen what should I do pls?
Thanks!

 

[Just_Me_D]

I recommend you contact Viber Support.

 

[Tartarus]

Have you tried reinstalling the app? That could help