Giving hero points is not working.

I'm trying to give points for the feedback on my question, but I'm getting this message: You only have undefined points to give.
https://cdn.livechat-static.com/api/file/v2/lc/att-old/8801096/3dd0e7cdf747d7dc457b1392a5d3c426/screengrab%202018-10-29%20at%2011.42.11%20am.jpg

Please help.