# ID 20777

Using tool radius compensation not possible, it does not exist in the system.
Description | Tool radius compensation cannot be selected or deselected because it is not available in the NC channel. The tool radius compensation (TRC) is enabled via the channel parameter P-CHAN-00092.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify the channel parameter P-CHAN-00092. Then update the channel parameters list.
Parameter | %1: | Error value [-]
Used G function which requires an existing tool radius compensation
Error type | 1, Error message from NC program.