Syserr

I have this error in sysserror server side,how i can resolv it? who know resolv it i give him 30 thx:X

SYSERR: Nov 30 21:09:52 :: number_ex: number(): first argument is bigger than second argument 71 -> 70, char_skill.cpp 1030
SYSERR: Nov 30 21:09:52 :: number_ex: number(): first argument is bigger than second argument 71 -> 70, char_skill.cpp 1030
SYSERR: Nov 30 21:09:52 :: number_ex: number(): first argument is bigger than second argument 71 -> 70, char_skill.cpp 1030
SYSERR: Nov 30 21:09:52 :: number_ex: number(): first argument is bigger than second argument 71 -> 70, char_skill.cpp 1030
SYSERR: Nov 30 21:09:53 :: number_ex: number(): first argument is bigger than second argument 71 -> 70, char_skill.cpp 1030
SYSERR: Nov 30 21:09:55 :: number_ex: number(): first argument is bigger than second argument 71 -> 70, char_skill.cpp 1030

in any quest you have something like this:
number(71,70)

The first number in the Number-function must be less than the second!!
example:
number(1,100)
-> a Random number between 1 and 100