Please explain why the snipe was not executed as instructed. Thank you.

Hello CT,
Thank you for your question about this snipe. You can look on your Completed Snipes tab on your BidSlammer dashboard and see the status of the snipe. If the reason is listed as UNKNOWN then it means we went through every known situation and couldn't find one that matched.
We can't always determine why the bid was rejected, but we have maintained a list of possible reasons over the years: https://bidslammer.com/help/status-messages/
If you would like for us to investigate further, please reply and we'll do our best.