D88de I figured it out. I think. I can't remember how it works exactly. Settings are different for every forum but here's my theory. with rep points, some of it is hard coded is some of it isn't but none the less.
I think the higher rep you have, the more points somebody receives when you give them.
So the limit is based on how many points and not how many times you give them.
this is only my theory. Jeff will know about this more than I
Here is the list of the top rep. here
That's why I think were having the problems. seems rich had this problem recently too.