Case T-499/19: Order of the General Court of 31 March 2020 — ZU v EEAS (Action for annulment — Civil service — Officials — Sick leave — Negative opinion by the medical service — Amendments made in the Human Resource Management information system — Acts not amenable to review — Acts not adversely affecting an official — Failure to follow the pre-litigation procedure — Premature challenge — Inadmissibility)