Problem with import .csv (4.19

Hello every one guys, thx for helping. Sry, for my english it’s not my mother tongue language. I start learning unreal engine 4 and try to write simple dialoge system. In tutorial what i’m learning all lesson will present for me using .csv file created by excel. But when i create structure and try import .csv file just drop to me exception expected column “” not found in input. Thx for any helping