# ID 21452

Invalid UNIT value programmed.
Description | The tool unit (UNIT) programmed in the NC command #TOOL DEF [...] can no longer be stored in the internal working data.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify NC program. Reduce the number of tool units defined or if possible replace redundant tool units with new unit definitions.
Parameter | %1: | Error value [-]
ID number of the programmed UNIT
%2: | Lower limit value [-]
Maximum number of permissible UNIT definitions
%3: | Upper limit value [-]
Error type | 1, Error message from NC program.