# ID 20770

Invalid combination of operating modes selected.
Description | A invalid combination of operating mode settings is selected. Examples of settings of operation modes:

- Command contour visualisation
- Syntax check
- Online machining time calculation

The error is detected when the NC program is commanded.

Response | Class | 3 | Abort NC program processing.
Solution | Class | 6 | Check and modify the settings of operation modes.
Parameter | %1: | Error value [-]
Error type | -