ID 4122
| No contours were selected for machining. | |||
| Description | No contour was activated. Machining is therefore impossible. | ||
| Response | Class | 2 | Abort NC program processing. | 
| Solution | Class | 3 | Activate a contour before machining with the command #CONTOUR LOAD. | 
| Error type | 1, Error message from NC program. | ||
| 
 | |||