The phrase "incorrect decisions" refers to choices or judgments that are not correct or accurate. It means making mistakes or picking the wrong options while making a decision. Full definition
It is well documented how many points we were denied last year by incorrect decisions by the men in black / blue / yellow or whatever they are wearing this season. (westhamway.net)
The paper looked at recent incorrect decisions by a referee or his assistants and produced the league table as it would have looked without these errors. (justarsenal.com)
All our yellow cards came from challenging incorrect decisions. (justarsenal.com)