Sending

I had a previous issue with account being “paused”. That has since been resolved but 1 of my post and one of my emails have been in the “sending” column for days with 87 unprocessed. How or what must I do for it to complete?

https://www.thekimzone.com/wp-admin/admin.php?page=mailpoet-newsletters#/notification/history/2/page%5B1%5D/sort_by%5Bsent_at%5D/sort_order%5Bdesc%5D/group%5Bsending%5D

The page I need help with: [log in to see the link]