I checked this post:
i-like-the-red-watermelon-better-than-the-yellow-sugar-melon
The weight of your vote is 0, which does not make sense here. Looks like a bug in steemd.
Maybe the nodes didn't refresh the old votes yet...
If you really should not receive your curation_reward for those posts, it's a major bug.
Maybe @gtg knows anything about it?
Ive been seeing this for a while. I cannot be 100% sure but i think this was the case even before HF21.