Is it possible to remove Administrator user form technician role

Is it possible to remove Administrator user form technician role

Hi,

We are using Manageengine servicedesk plus (onsite).

We are trying to enable technician login for new technician, but it is giving below error.

"Technician login count exceeds the license"

Earlier we were using similar number of technicians with similar number of licenses.

Is it possible to remove Administrator user from technician role and assign it to new user?  

                  New to ADSelfService Plus?