App crash when trying to update current location

Expected behavior

I should be able to update current(last known) location when using this app

Actual behavior

When I click on button update,the app get crashed

How to reproduce

Download suntimes on this link.https://f-droid.org/app/com.forrestguice.suntimeswidget

then open the app,clik location button right up homepage,set mode and Click update.
And see what happen.

• device used: samsung J5 prime
• Operating system: android version 7.0

• app version: 0.7.0

Recording Of The Bug