Case C-198/18: Judgment of the Court (Fourth Chamber) of 21 November 2019 (request for a preliminary ruling from the Högsta domstolen — Sweden) — CeDe Group AB v KAN sp. z o.o., in liquidation (Reference for a preliminary ruling — Regulation (EC) No 1346/2000 — Articles 4 and 6 — Insolvency proceedings — Applicable law — European order for payment procedure — Failure to pay a contractual claim before bankruptcy — Exception of set-off based on a contractual claim arising prior to bankruptcy)