can someone help me with this plugin

hello i wanted to make an fps game and found a cool plugin but it was made in ue5 ea and does not work in ue5.3 so i need help to get it fixed

here is the link GitHub - GannetMarkozen/Weapon-System-Plugin: Weapon system framework taking the tedious / hard parts of creating a shooter out of the equation, namely procedural animations and general weapon logic, with proffesional quality. While also allowing ultimate flexibility.