3305092 - User <current user > CBXXXXXXXX01* (Employee Responsible) is not a Business partner - SAP S/4HANA Cloud Public Edition

Error message "User <current user > CBXXXXXXXX01* (Employee Responsible) is not a Business partner" is raised when creating a Solution Order. 

SAP S/4HANA Cloud Public Edition

Business Partner, (Employee Responsible) is not a business partner, sold to, sold, sold-to, bp, employee, business, partner, person,  is neither an employee nor an organizational unit, Partner <employee name> (Employee Responsible) is neither an employee nor an organizational unit, partner, employee, employee responsible, organizational unit , service , hr ,  , KBA , CRM-S4-SRV-SVO-2CL , S4CRM: Service Order (Public Cloud) , LO-MD-BP , Business Partners , Problem