***ERROR: 1000 elements have been defined with zero hour glass stiffness. You
may use *hourglass stiffness or change the element type. The
elements have been identified in element set
ErrElemZeroHourGlassStiffness.
***ERROR: 1000 elements are missing elastic property reference. The elements
have been identified in element set ErrElemMissingElasticPropRef.