The contour either intersects itself (overlaps) or other contours of the glyph shape

Is is possible to Decompose all compose glyphs without type every glyph on the value dialog? MyFonts complains:

The contour either intersects itself (overlaps) or other contours of the glyph shape. These intersections may cause the rasterizer to unpredictably fill the glyph shape. For more information about how to fix this issue, please see our help article here.

This sounds like an issues that can be resolved by enabling the Remove Overlap option:

Can you be more specific please? TT or CFF? Variable? Where do you want to “type every glyph”?