Boss and Cut Extrudes The sequence of diagnosis error messages for extrudes is as follows. Contents Extrude - Non-Planar Face The selected face must be planar. Extrude - Non-Parallel Faces The selected faces must be parallel to each other. Select faces separately or try using Up to face. Extrude - Non-Coplanar Faces The selected faces must be coplanar. If you select faces that are parallel but not coplanar, try using Up to face. Extrude - Nesting Faces The feature contains nesting faces or internal loops. Try recognizing the faces separately. Extrude - Self-Intersecting Sketch The sketch is self-intersecting. Extrude - Internal Loops There might be nesting faces and internal loops. Try avoiding Up to face or swapping faces in the selection. Extrude - Invalid Edge Selected edges do not represent a valid extrude. Try selecting a face. Extrude - General Failure The selected face does not produce a valid extrude. Parent topicDiagnostic Error Messages Chamfers Fillets Holes Revolves General Errors