3817294 - Error: "An Unexpected Error occurred attempting to save UserProfile information for the employee with EmployeeId= [XXXX]. Details: [XXXX]Cannot insert the value NULL into column 'LOGIN_ID', table 'CT_USER_PROFILE.CUP.USER_PROFILE'

I am receiving the following error while running the 320 employee import -OR- when I use the User Import to update user's information. What is the cause of this error? 

An Unexpected Error occurred attempting to save UserProfile information for the employee with EmployeeId= [XXXXX]. The following details should be communicated to Concur Client Support. Details: [XXXXX]Cannot insert the value NULL into column 'LOGIN_ID', table 'CT_USER_PROFILE.CUP.USER_PROFILE'

KBA , CON-CA-TLS-IEM , Import / Extract Monitor , Problem