zendtech/ZendOptimizerPlus

E_WARNING: Cannot modify header information - headers already sent by

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E_WARNING
/wp-admin/admin.php

E_WARNING: Cannot modify header information - headers already sent by (output started at /mnt/data/vhosts/new.lakeshore-rv.com/wp-includes/class-wp-admin-bar.php:459)

Stack trace
…ader called at /mnt/data/vhosts/new.lakeshore-rv.com/wp-includes/
pluggable.php (1228)
…rect called at /mnt/data/vhosts/new.lakeshore-rv.com/wp-includes/
pluggable.php (1307)
…t /mnt/data/vhosts/new.lakeshore-rv.com/wp-content/plugins/opcache/
opcache.php (236)
in OPcache_dashboard::render_admin_page called at ? (?)
…c_array called at /mnt/data/vhosts/new.lakeshore-rv.com/wp-includes/
plugin.php (525)
in do_action called at /mnt/data/vhosts/new.lakeshore-rv.com/wp-admin/admin.php (236)

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