Tournament finish before the hour selected

Hi LICHESS. Our tournament, LICEUM CHALLENGE 18 ARENA finished before the hour selected. It was until 19:00 and finished at 18:15. What happened?. The players can not believe it.

lichess crashed, that might be the reason

We've got the same problem : "LCDF jeudi niveau 3".

Lichess cancelled all arenas due to high server load. Your tournament is not the only one that finished early.