Error regarding sermon date when viewing sermon list

[stephenfeather]

Deprecated: Function strftime() is deprecated in /var/www/html/wp-content/plugins/sermon-browser/sb-includes/admin.php on line 1364 01 Jan 26

[stephenfeather]

The url is http://localhost:8080/wp-admin/admin.php?page=sermon-browser%2Fsermon.php