# ID 22254

Invalid symbol after MACRO_LENGTH.
Description | The parameter of the MACRO_LENGTH function must be the identifier of a macro. Accordingly, an inverted comma (“) must be programmed directly after the opening square bracket. (see Arithmetic expressions <expr>)
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check the notation of the macro name in the square brackets. It must be in inverted commas (“). Then restart the NC program.
Parameter | %1: | Current value [-]
%2: | Current value [-]
%3: | Error value [-]
%4: | Upper limit value [-]
Error type | 1, Error message from NC program.