Fortran · Runtime error
What does Error 70: Integer overflow mean in Fortran?
An integer arithmetic operation produced a result too large for the variable's declared integer kind.
An integer arithmetic operation produced a result too large for the variable's declared integer kind.
Check the largest value the calculation can legitimately produce against the range of the integer kind in use, and consider a wider kind (INTEGER(8)) if the default 32-bit range is not enough.