SQLiteConstraintException for fdroid_installedApp.hash

ANDROID_VERSION=5.0.2
APP_VERSION_NAME=0.101-alpha1
STACK_TRACE=android.database.sqlite.SQLiteConstraintException: NOT NULL constraint failed: fdroid_installedApp.hash (code 1299)
        at android.database.sqlite.SQLiteConnection.nativeExecuteForLastInsertedRowId(Native Method)
        at android.database.sqlite.SQLiteConnection.executeForLastInsertedRowId(SQLiteConnection.java:952)
        at android.database.sqlite.SQLiteSession.executeForLastInsertedRowId(SQLiteSession.java:788)
        at android.database.sqlite.SQLiteStatement.executeInsert(SQLiteStatement.java:86)
        at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1609)
        at android.database.sqlite.SQLiteDatabase.replaceOrThrow(SQLiteDatabase.java:1551)
        at org.fdroid.fdroid.data.InstalledAppProvider.insert(InstalledAppProvider.java:197)
        at android.content.ContentProvider$Transport.insert(ContentProvider.java:242)
        at android.content.ContentResolver.insert(ContentResolver.java:1260)
        at org.fdroid.fdroid.data.InstalledAppProviderService.insertAppIntoDb(InstalledAppProviderService.java:218)
        at org.fdroid.fdroid.data.InstalledAppProviderService.onHandleIntent(InstalledAppProviderService.java:164)
        at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:65)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:145)
        at android.os.HandlerThread.run(HandlerThread.java:61)

CC @pserwylo