UE4 may not be able to serialize Color class/struct (or whatever it is lol). Try sending all RGB values as floats/integers and than construct your own Color class/struct when the endpoint receives that RPC.
UE4 may not be able to serialize Color class/struct (or whatever it is lol). Try sending all RGB values as floats/integers and than construct your own Color class/struct when the endpoint receives that RPC.