App crashing when data is not being fetched for a certain amount of time.

[subhav13]

Summary:

Sometimes when the progress bar keeps running due to data not being fetched for any reasons it crashes the app with the below details :
--------- beginning of crash
E/AndroidRuntime: FATAL EXCEPTION: main
Process: org.mifos.mobilewallet.mifospay, PID: 2867
java.lang.IllegalStateException: progressBar must not be null
at org.mifos.mobilewallet.mifospay.standinginstruction.ui.SIFragment.showStateView(SIFragment.kt:107)
at org.mifos.mobilewallet.mifospay.standinginstruction.presenter.StandingInstructionsPresenter$getAllSI$1.onError(StandingInstructionsPresenter.kt:46)
at org.mifos.mobilewallet.core.base.UseCaseThreadPoolScheduler$2.run(UseCaseThreadPoolScheduler.java:54)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)

Steps to reproduce:

There will be an instance when data is being fetched for a certain amount of time than usual but didn't fetched and results in a crash.

Expected behavior:

Show a correct toast of why data is not being fetched from the servers.

Observed behavior:

App crashing

Device and Android version:

Android emulator: pixel 3A XL, API 28
Physical Device: Samsung Galaxy A10, android 9 version