Case T-290/17: Judgment of the General Court of 30 January 2019 –Stavytskyi v Council (Common foreign and security policy — Restrictive measures adopted in view of the situation in Ukraine — Freezing of funds — List of persons, entities and bodies subject to the freezing of funds and economic resources — Maintenance of the applicant’s name on the list — Obligation to state reasons — Plea of illegality — Principle of proportionality — Legal basis — Manifest error of assessment — Principle ne bis in idem)