Each violation carries a $300 fine plus any additional court costs.
SPA hosted comedian Nicole Byer for a virtual Q&A on Friday night.
"Please know that we are listening, learning, and continuing to work to address racism and prejudice. These tragic events must stop."
More than 1,200 tested students are still awaiting their results.
Blacknall has re-signed with the Steelers after being released by the organization one week ago.
Anyone who previously purchased tickets to the performances or the meet-and-greet can still use them next spring