# ID 20394

Variable access caused syntax error, variable can not be identified.
Description | A variable (e.g. V.A., V.G., V.E., V.S., V.P., V.L., etc.) used in NC program is unknown.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify NC program. When programming, keep to or ensure the correct spelling of the variables and that all the variables used are defined.
Error type | 1, Error message from NC program.