Crash on initial startup

[SaurabhKukreja]

App is crashing as soon as I open it:

2020-01-04 22:46:32.107 335-369/com.zoftino.roomrxjava E/AndroidRuntime: FATAL EXCEPTION: pool-3-thread-1 Process: com.zoftino.roomrxjava, PID: 335 java.lang.NoSuchMethodError: No virtual method iterator()Landroid/arch/core/internal/SafeIterableMap$ListIterator; in class Landroid/arch/core/internal/SafeIterableMap; or its super classes (declaration of 'android.arch.core.internal.SafeIterableMap' appears in /data/app/com.zoftino.roomrxjava-j1ddGzRnnJkdv7g315Au4w==/base.apk) at android.arch.persistence.room.InvalidationTracker$2.run(InvalidationTracker.java:377) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) at java.lang.Thread.run(Thread.java:764) 2020-01-04 22:46:32.109 335-370/com.zoftino.roomrxjava E/AndroidRuntime: FATAL EXCEPTION: pool-3-thread-2 Process: com.zoftino.roomrxjava, PID: 335 java.lang.NoSuchMethodError: No virtual method iterator()Landroid/arch/core/internal/SafeIterableMap$ListIterator; in class Landroid/arch/core/internal/SafeIterableMap; or its super classes (declaration of 'android.arch.core.internal.SafeIterableMap' appears in /data/app/com.zoftino.roomrxjava-j1ddGzRnnJkdv7g315Au4w==/base.apk) at android.arch.persistence.room.InvalidationTracker$2.run(InvalidationTracker.java:377) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) at java.lang.Thread.run(Thread.java:764)