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https://shakaran.net/blog/2015/09/solucionar-error-warning-cannot-modify-header-information-headers-already-sent-by-output-started-at-wp-config-php1-in-wp-includespluggable-php/
Solucionar error: Warning: Cannot modify header information - headers already sent by (output started at wp-config.php:1) in wp-includes/pluggable.php