/sys$common/syshlp/helplib.hlb FORTRAN, Error Messages, Run Time Errors, General, INTOVF  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  NUMBER:  70

  ERROR CODE:  F, C

  MESSAGE TEXT:  arithmetic trap, integer overflow

  EXPLANATION:  During an arithmetic operation, an integer value
  exceeded byte, word, or longword range.  The result of the
  operation was the correct low-order part.