Strict Standards: Static function FacebookPixelPlugin\Integration\FacebookWordpressIntegrationBase::injectPixelCode() should not be abstract in /nfs/c11/h04/mnt/201138/domains/mcschool.org/html/wp-content/plugins/official-facebook-pixel/integration/FacebookWordpressIntegrationBase.php on line 31

Warning: Cannot modify header information - headers already sent by (output started at /nfs/c11/h04/mnt/201138/domains/mcschool.org/html/wp-content/plugins/official-facebook-pixel/integration/FacebookWordpressIntegrationBase.php:31) in /nfs/c11/h04/mnt/201138/domains/mcschool.org/html/wp-includes/pluggable.php on line 1219