Well, there is a problem with the MeleeTrace, it crashes when casting a trace to the MainHandWeaponReference. Per default you directly get the MeleeWeaponClass reference with above setup, not directly the parent class. Will continue to look into this a little later …
The original code
OKAY, i fixed it, see below video, basically you need to plug the EquipmentCharacterReference into the SpawnActor Instigator node
[video]- YouTube
If someone needs more screens refer to the MeleePlugin forum post