Run-Time Error 207: Invalid floating point operation
This error occured because of one of the following:
■ A stack overflow occurred, with either alternate math
or coprocessor.
■ A non-positive value was passed to the Ln function.
■ A negative value was passed to the Sqrt function.
■ The value passed to the Round or Trunc functions
was not in the range of a LongInt
(-2147483648..2147483647).