The solicitor Simon Nicholls urged the magistrates to be very careful in how they incorporated the tweet into their decision.
"She was angry and annoyed when she sent that. It doesn't mean it was accurate.
"Mr Hockley told two national newspapers that the car was tearing round the bend and knocked him off his bike - today he said that wasn't the case...
"Things get misrepresented."
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Henry Huggins, who was 48, suffered "catastrophic" brain injuries and never regained consciousness after he was attacked in August 2013.
Fans were left upset after fights broke out among some in the crowd, despite the event being billed as a 'family event'.
The club hopes the new partnership will help them challenge in League One with an increased playing budget.