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).