T2217

T2217 WARNING: T2217 UNABLE TO DEFINE ELEMENT ORIENTATION FOR elemtype ELEMENT id
Cause: The specified element definition is not valid or is highly irregular.
Action: Check the element connectivity and grid point coordinates. If the element is a rod, bar, or beam, check that the end nodes are not collocated. If the element is a gap, bar, or beam, check that the element y-axis orientation vector is not parallel to the element x-axis.
Remarks: See Autodesk Nastran Reference Guide, Section 4, Bulk Data, for entry format.