After Embargo Campaign isn't processing queue and sent list

It was working fine,suddenly Campaign are not proceeded to active list to sent list.I am checking every thing with new server configuration, new phplist installation and mail server, phplist config, etc.send test mail from phplist working fine, but After Embargo Campaign are not proceeded active list to sent list. Is there any way to trace this issue and resolve this pending resolution.

Log of Events

|2|10 April 2019 13:00:02|Fetching success|
|1|10 April 2019 13:00:01|Fetching success|