Change Photo approval workflow is failing after 25B

Summary:

The Change Photo approval workflow is failing after 25B was applied. It was working without any issues before 25B. We are using an application role assigned to our HRBPs,

Content (please ensure you mask any confidential information):

Summary from transaction log:

The value is invalid. The result of from-spec is null. Either the from node value or the xpath query in the from node value was invalid. According to BPEL4WS spec 1.1 section 14.3, the from node value should not be empty. Verify the from node value at line number 456 in the BPEL source.

We have created a SR, but have not had any response in over a week.