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404 Detectionen enabled causes PHP error

  • g_pellegrino

    (@greghy)


    4 years, 4 months ago

    Hi,
    if I enable 404 Detectionen I get this error:

    FastCGI sent in stderr: "header information - headers already sent by (output started at wp-includes/formatting.php:4903) in wp-includes/pluggable.php on line 931" while reading upstream

    Gregorio

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