New User - Notification Not Sent - Worked Three Days Ago

Test notification worked three days ago. Under the notification tab, Wonderpush indicates it was sent to three users but also indicates that they were not sent. APN key re-entered three days ago for production and worked three days ago.

Users were registering but push notifications not sent. I deleted the account, reinstalled a new account, uploaded the .p12 key and it worked fine. Problem solved.