| S1052 | FATAL ERROR: S1052 | FILE: filename ALREADY EXISTS |
| Cause: | The specified file could not be opened as a new file because it already exists. | |
| Action: | This is an internal error and should not occur under normal circumstances. | |
| Remarks: | Please send the Model Input File to Autodesk technical support. Note the version of Autodesk Nastran you are using. |