Face errors after Loft Boos/Base of a blade

Hi guys,


I am trying to draw a wind blade in SW. After a do loft boos/base using the airfoils at different planes, loft boos succeeds but I get some errors on the face. Since I will mesh it after drawing, I have to fix these. Can someone help me about this? Attached is the picture of it.

SolidworksParts And Features