| T2200 | FATAL ERROR: T2200 | NONLINEAR ANALYSIS DATA ID id NOT UNIQUE |
| Cause: | Nonlinear parameter data identification number id is referenced more than once on a NLPARM Bulk Data entry. | |
| Action: | Change the identification number to a unique value. | |
| Remarks: | See Autodesk Nastran Reference Guide, Section 4, Bulk Data, for entry format. |