[BUG] clicking security code causes app to crash

[404invalid-user]

Describe the bug A clear and concise description of what the bug is.

clicking the security code setting to set a security code causes the app to crash and relaunch

To Reproduce Steps to reproduce the behavior: download apk install app set app as launcher click settings button click security code button app will crash

Smartphone (please complete the following information):

• Device: Tonblix GT90H
• OS: android 4.4.2
• Applicaiton version: v0.12.0