3818362 - Error: This request could not be submitted. Missing the required approver for next workflow step. You may be able to select an approver. Contact your Administrator for assistance.

I am trying to submit my request, but when I select Submit, I get the following error:  This request could not be submitted. Missing the required approver for next workflow step. You may be able to select an approver. Contact your Administrator for assistance.  

 How do I resolve this error?

User is unable to submit request because the system cannot find the first approver , KBA , CON-CA-ADM-USR , User Administration , Problem