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cannot modify header information – headers already sent

  • Warning: Cannot modify header information - headers already sent by (output started at /homepages/35/d360305842/htdocs/ss.org/wp-includes/functions.php:4492) in /homepages/35/d360305842/htdocs/ss.org/wp-includes/pluggable.php on line 897

    getthing the above error whenever I try to “POST” anything on a buddypress site. whatever I’m trying to do actually gets posted once I go back to the page.. but want to fix this error. I found a post talking about “WP XHTML Validator” plugin that’s suppose to search your pages and tell you invalid code.. or at least I think that’s what it was.. but I couldn’t find the plugin.. don’t think it’s supported anymore as it was an old post over 4 years ago.

    is there anything like this now that you would recommend? preferably not a plugin just a program I could have scan a folder of php/html or whatever files.

    any help would be appreciated.

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