HCM Approvals getting into Error caused by SOA component or the underlying HWF configuration

Summary:

All HCM approvals getting into Failed Status with the following error message "Error caused by SOA component or the underlying HWF configuration or a Supervisor hierarchy setup issue.

Content (required):

After reviewing all the approval rules setup and checking the AOR, Manager Setup configurations, though everything looks right in the system still, approvals are getting into the following error message "Error caused by SOA component or the underlying HWF configuration or a Supervisor hierarchy setup issue."

Version (include the version you are using, if applicable):

21D

Code Snippet (add any code snippets that support your topic, if applicable):