Yes there are some upvotes not going out, Steemit nodes are acting up like crazy and even though we are juggling to keep the best node active we still can't control it. Apologies for this. You can edit your post and then update it (don't have to change anything) then the bot will see the post again and send out the upvote.

We are currently working on our own node and hopefully it will sort out our problems. Steemit a bit unstable lately... A