| R4010 | WARNING: R4010 | SURFACE id REFERENCES AN UNDEFINED COORDINATE SYSTEM id |
| Cause: | The specified SURFACE command referenced a coordinate system that does not exist in the model database. | |
| Action: | Change reference to an existing coordinate system identification number or add the referenced coordinate system to the model. | |
| Remarks: | See Autodesk Nastran Reference Guide, Section 3, Case Control, for command format. |