how bend and flatt pie cut

i have a problem, for flat pattern bend, when i click into a sheet metal, and i select the cone in the midle of the line, wich i cutted previously) the program doesn`t recognize that.

here is a pic

also, here is a pattern complete, divide into a planes

i dont know what is intervening, in that, or what im doing wrong

here is the document

anyways thx.

SolidworksGeneral