Flat pattern error in Solidwork
plz follow this
1 when this error happen then go to your sheet metal part drawing
2 go to configuration
3 there is default option
in default there is defaultSM FLATPATTERN OPTION
4 NOW SEE IN DEFAULT SHEET METAL ARE IN BEND POSITION
5 NOW SEE IN defaultSM FLATPATTERN SHEET MEAT ARE IN BEND OR FLAT
IF BEND THEN MAKE IT FLAT BY FLATTEN OPTION IN STANDARD TOOL BAR
6 NOW GO TO DEFAULT
7 SAVE IT
8 NOW GO TO DRAWING