Case T-571/17: Judgment of the General Court of 2 April 2020 — UG v Commission (Civil service — Contract staff — Contract of indefinite duration — Article 47(c)(i) of the CEOS — Termination with notice — Grounds for termination — Conduct in the service and attitude at work incompatible with the interests of the service — Manifest error of assessment — Review of the accuracy of the facts — Lack of evidence — Liability — Material harm — Payment of salaries owed)