Signing in not successful

Expected behavior

For quite sometime this app has been on my phone, I was going to uninstall before I realized I haven't made use of it,so I decided to today.
I expected my sign in to be successful so I can get to explore the application

Actual behavior

Before launching I had to update so after updating ,I went to sign up and then tried to login but signing wasn't successful as I got an error message and sometimes it forcestops....

How to reproduce

*Make sure you are downloading and installing the latest version of the app on play store..

*Try to sign in using any email and passowrd

*ConnectU version 2.3.2

TECNO K7

• Operating system: Android 7.0 nougat

Recording Of The Bug