Help - Mental Ray error on Sub D crease
 

Hey everyone, was just doing a few practice renders this morning when this happened:

Error message in script editor says the following:

// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape25, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Error: (Mayatomr.Geometry) : polyToSubdShape11HistPoly25: no material assigned, ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Error: (Mayatomr.Geometry) : polyToSubdShape1, no material assigned to faces in subdivision surface base mesh, ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape23, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape31, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape1, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape32, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //
// Error: (Mayatomr.Geometry) : polyToSubdShape2, no material assigned to faces in subdivision surface base mesh, ignored //
// Warning: (Mayatomr.Geometry) : polyToSubdShape30, subdivision surface contains creases on boundary edges which are unsupported and have been ignored //

Can anyone help??