VSK 5 umpire mixing two marks under rule 18

I got a 18.2a penalty even though I was clear at the zone and never left the zone.
VSK even had this as the umpire statement, at least after the penalty, see screenshot:
Never seen this bug before.
Harald
Match Racing, Team Racing and Fleet Racing
https://team.vsk-match.com/forum/
samuel wrote:Why not? =] this is more about Fibonacci than 18...
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