Advanced Material Exchange only supports the following structural element types: C3D4, C3D8, C3D8R, C3D10, C3D10M, S3, S4, and S4R. If you attempt to import a model that contains an unsupported element, you will see the following error:
This error can also appear if the number of section points through the thickness of the S3, S4, or S4R elements is not equal to five. Five section points through the thickness is the default value for these shell elements and is required by Advanced Material Exchange.