2020 Ultima ZT1 50" Nuetral removal

[WaggonWheelz]

I am looking for any help on how to get the neutral bracket off. I am stuck at the square nut. The bolt that went through the square nut broke off in the nut. I can not get the square nut to budge. Any help is appreciated.

 

[mechanic mark]

Safety Glasses, Leather Gloves, vise grips holding sharp chisel, big hammer, be careful.