# ID 20097

Read access to variable denied.
Description | The attempt to read from CNC an external variable which has only access rights for a write access, causes this error. The write/read access rights are defined in the list of external variables [EXTV] via the element "var[...].access_rights".
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Adjust the corresponding variable for the access rights in the list of external variables [EXTV] and repeat start-up.
Error type | 1, Error message from NC program.