# ID 21469

Unexpected UNTIL. Does not match the current control block.
Description | A control block statement was programmed in incomplete syntax. A $UNTIL can only be programmed in combination with a previous $REPEAT. Example: Wrong: N10 G00 X0 Y0 Z0 P1=1 N20 $UNTIL P1>2

:

N1000 M30

Correct:

N10 G00 X0 Y0 Z0 P1=1

N15 $REPEAT

:

N20 $UNTIL P1>2

:

N1000 M30

Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify the program flow sequence. Insert the $REPEAT instruction or delete the $UNTIL.
Error type | 1, Error message from NC program.