1- You should create a discord for this awesome product 
2-In your downloadable project, when I press play, it said machinegun has compile error. skipping it fix it.
3-Each time I open one of your 2 ability, it ask for a preview asset (I put firstcharacter bp) and a second empty screen (with no indication what it used for) is displayed after selecting the preview asset.
Regardless of the asset I select, the ability editor preview is empty.
4- machine gun has no sfx played.
Im trying to get familiar with your product using your demo project.