This worked for us:@Reference    private ResourceResolverFactory resourceResolverFactory;@Reference    private SlingRepository repository;    public void execute(WorkItem workItem, WorkflowSession workflowSession, MetaDataMap args) throws WorkflowException {        Session session = workflowSession...

Your comment was in right direction. We were already on CRX3 and hence did not need to go through CRX2 > CRX3 step which was causing the issue. By passing this conversion, the in place upgrade goes well without issues.Thanks!

I am seeing same issue, looking for a resolution