United Bank Of India [UBI] — e-banking not working

Address:

Purba Medinipur, West Bengal

Dear sir,
I have downloded a ubi android app on my mobile and already registered this app, it works smothly. But unfotunately the has unstalled, again i have re download and this time it is not working... Showing unotharised oparation contact your branch.
Your's truly,
Hazra begum
A/c no.[protected]
Tamluk panskura road branch
Mob: [protected]