Arbusers

Hello everyone
Pinnacle refund my bet and send to me a email but i dont understand " The market was offered with at least one incorrect participant "

[E Sports] [Live CS:GO - ESL Mistrzostwa Polski] [Match] AGO vs PACT has been cancelled due to the following reason: [The market was offered with at least one incorrect participant. All bets have been cancelled.,,] . Your bet with ticket-ID: --- has been refunded. If this game was part of a parlay, please be aware that the parlay will be reduced and recalculated. Thank you!