| T2216 | FATAL ERROR: T2216 | COORDINATE SYSTEM ID id NOT UNIQUE |
| Cause: | Coordinate identification number id is referenced more than once on a coordinate system definition Bulk Data entry (i.e., CORD2R, CORD2C, or CORD2S). | |
| Action: | Change the identification number to a unique value. | |
| Remarks: | See Autodesk Nastran Reference Guide, Section 4, Bulk Data, for entry format. |