Saturday, November 28, 2009

AutoCAD reports: error: bad argument type: fixnump

The "fixnump" error means that in a loaded LISP application, you have used a real number (or string or an uninitialized variable) in some internal function supporting only integer numbers.

This can be caused by an error in the programming code or by an invalid format of input data. If you are the author of the respective LISP application, please check possible invalid combinations of functions and parameters, e.g. (itoa 1.0).

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