Returns string showing error message returned by a filed optimiser run
| Number | Type | Compulsory | Default | Description |
| 1 | Real | Yes | Optimiser definition ID |
ID reference to optimiser definition as returned by functions:
Return type: String
Optimiser error message. Empty if optimiser definition ID is invalid.
| ▲Function Summary▲ | ||
| ◄ OptimiserCreateFromXMLString | OptimiserFinish ▶ | |