Why would employees receive error message: "No approvers found to approve this workflow" when applying for leave or claims?

Why would employees receive error message: "No approvers found to approve this workflow" when applying for leave or claims?

There are a number of reasons why an employee would receive the "No approvers found to approve this workflow." error message. 

      

If any of the below points are not validated, may result in the error:
  1. The employee has a directly reports to person loaded on their position screen.
  2. The directly reports to person/approver must have an active position record.
  3. The approver must have an email address on their Basic Profile screen and must be registered for ESS.
  4. The approver must be active on the system.
  5. If the company is using the Advanced Workflow module, verify whether the employee has a workflow setup for leave applications, claims, employee requests.
  6. Verify if the approver is linked to a Workflow Role.