Compile Failed! Help

Hello, Im pretty new at UE, and need some help.

I was making the Battery Collector, and was reached episode 4. where i need to Compile.
I did so, but got a Compile Failed!
Anyone that can help me, Thanks.

Gyazo Image of the Log

Hey, I got the same error. Place the Private section of the class over the Public Section.

Since the Public section is using the variable PickupMesh, It should be declared first.

Cheers !