ID 20841
| Double-programmed block number N. | |||
| Description | When defining an expression label, the block number has been programmed several times, that’s not permitted. 
 Example with error: N10 $GOTO N100 N20 X200 : N100 N100: X.. Y.. Corrected example: N10 $GOTO N100 N20 X200 : N100: X.. Y.. (Assignment of the label) | ||
| Response | Class | 2 | Abort NC program processing. | 
| Solution | Class | 3 | Remove the block number. | 
| Error type | 1, Error message from NC program. | ||
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