What is this warning?

  • caseysaylor

    (@caseysaylor)


    9 years, 1 month ago

    Something won’t let me update stuff on my page. I keep getting this warning when I try to do anything. Just updated to the newest version of word press and my theme TESSERACT was updated too. Help!

    Warning: strtolower() expects parameter 1 to be string, array given in /home/content…..

    Warning: Cannot modify header information – headers already sent by (output started at /home/content……)

    Warning: Cannot modify header information – headers already sent by…..

    I can send/type the full warnings if someone needs it to know how to help.

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  • Moderator t-p

    (@t-p)

    9 years, 1 month ago

    Have you tried:
    – manually resetting your plugins (no Dashboard access required). If that resolves the issue, reactivate each one individually until you find the cause.
    – switching to the unedited default Theme (Twenty Sixteen.) for a moment using the WP dashboard to rule out any theme-specific issue (theme functions can interfere like plugins). If you don’t have access to your admin area, use FTP/ SFTP , or your web-host’s cPanel or whatever file management application your host provides (no Dashboard access required). Navigate to /wp-content/themes/ and switch to the default theme by renaming your current theme’s folder by adding “-old” to the end of the folder name. Alternately, you can remove other themes except the default theme (Twenty Sixteen.). That will force your site to use it.

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