Oic, just wait for ur medical status to be confirmed.
U can't change vocations until ur PES is confirmed, after which ur
vocation will be pre-determined by ur PES.
Example of vocation types:-
PES E: Clerks / Storeman / etc
PES C: Clerks / Storeman / Mechanic / Armourers / S.Medics /
etc
So Bo Pian lor, just wait, enjoy this lobo times after vocation
change u will not be able to lobo as much 