Scheme Error Messages, Part 2

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Wrong type or range of arguments to a primitive procedure
Some primitive procedures require a specific type of argument. For example, the procedure that does addition requires that all of its arguments be numbers, so (+ 3 *) results in the error message "The object #[compiled-procedure ...], passed as the second argument to integer-add, is not the correct type."
Numerical errors (overflow, underflow, divide by zero)
The numerical procedures can fail in a number of ways when dealing with inexact numbers that are either very large, very small, or very close to zero.
Other errors
A number of the procedures built into MIT Scheme can detect special errors and report them. For example, "Unable to open file ... because: no such file or directory."

Jim Miller W3C