Using Jetpack Blueprint System - Update 1.2 with a weapon

Greetings community, I’m trying to integrate a weapon (gun) into the Jetpack Blueprint System - Update 1.2 (https://marketplace-website-node-launcher-prod.ol.epicgames.com/ue/marketplace/en-US/profile/Team+Metazord) I purchased on the Epic Marketplace. I specifically want a third person character with a rifle that works with the said Jetpack BP but there are no applicable character animations/meshes/BP’s included in the Jetpack BP to use. When I change the character with a third person character that does have a gun the Jetpack BP stops working. Can anyone please advise? Much appreciated. Regards. Jean Ward.