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Admin Panel Error (disappears): Cannot modify header information (2 posts)

  1. kutez
    Member
    Posted 1 year ago #

    Hello, I'm launching my blog tomorrow, but I got this problem since I installed a social plugin (MashSocial). It's true I tweaked it a bit...

    Whenever I try to preview post/save post/upload image/delete link/delete post/delete plugin, I get the following error:

    Warning: Cannot modify header information - headers already sent by (output started at /home/tran56/public_html/wp-content/plugins/wp-mashsocial-wigdet/WP-Mashsocial-Widget.php:1) in /home/tran56/public_html/wp-includes/pluggable.php on line 881

    When I upload an image, I get the following error:

    Warning: Cannot modify header information - headers already sent by (output started at /home/tran56/public_html/wp-content/plugins/wp-mashsocial-wigdet/WP-Mashsocial-Widget.php:1) in /home/tran56/public_html/wp-admin/async-upload.php on line 26

    The actions are performed correctly, but admin panel disappears and I get the error described above. I don't want to mess up anything else, so I thought I should ask around...

  2. kutez
    Member
    Posted 1 year ago #

    P.S. one action is not performed: saving posts. So basically, right now I cannot work on an article and save it as a draft... That's really bad :-(

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