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asse2014
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October 10, 2024 at 8:14 am
Getting this PHP Warning in the server logos when downloading the CSV Registration Report, PHP message: PHP Warning: Cannot modify header information – headers already sent by (output started at /www/xxxwp_329/public/wp-includes/script-loader.php:2378) in /www/xxxwp_329/public/wp-includes/pluggable.php on line 1435PHP message: PHP Warning: Cannot modify header information – headers already sent by (output started at /www/xxxwp_329/public/wp-includes/script-loader.php:2378) in /www/xxxwp_329/public/wp-includes/pluggable.php on line 1438″ while reading upstream, client: xx.xx.xx.xx, server: xxxwp.org, request: “GET /wp-admin/admin.php?page=espresso_registrations&return_url=%2F%2Fxxxwp.org%2Fwp-admin%2Fadmin.php%3Fpage%3Despresso_registrations%26action%3Ddefault%26event_id%3D4240%26default_nonce%3D27e4dd5095&EVT_ID=4240&use_filters=1&filters%5Bevent_id%5D=4240&action=registrations_report®istrations_report_nonce=0e28e7f19b&return=default HTTP/2.0”, upstream: “fastcgi://unix:/var/run/php8.1-fpm-xxxwp.sock:”, host: “xxxwp.org:40739”, referrer: “https://xxxwp.org/wp-admin/admin.php?page=espresso_registrations&action=default&event_id=4240&default_nonce=27e4dd5095
How can I fix?
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Tony
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October 10, 2024 at 8:28 am
Hi there,
When the above warnings are thrown, are there any other errors?
Anything output to the page?
Something is outputting content to the page before a session call is made (which causes the above warning), is WP_DEBUG enabled and outputting errors/warnings directly to the page?
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