| Double programming in #FGROUP-command. | 
| Description | In the command #FGROUP ... [...] keywords are programmed several times or in invalid combinations. | 
| Response | Class | 2 | Abort NC program processing. | 
| Solution | Class | 3 | Check and modify NC program.  Remove the redundant keywords from the command #FGROUP ... [...]. | 
| Error type | 1, Error message from NC program. | 
|   |