Fortuna Sittard were allowed to play with 12 players for a full minute late in the game while they were chasing a game tying goal. They eventually got that goal in though I do think it came right after they were forced to take a player off.

https://www.dailymail.co.uk/sport/football/article-14351711/amp/Robin-van-Persie-FUMES-opponents-allowed-play-TWELVE-MEN-Dutch-flight-Heerenveen-boss-slams-scandalous-decision.html

(Apologies for linking to the Mail…only English language article I could find.)

Dutch FA have reached out to IFAB for guidance about what to do about the match.