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Flexible upload error in WordPress 2.6 (3 posts)

  1. emarts
    Member
    Posted 5 years ago #

    I have a error with Flexible upload:

    Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'media_admin_css' was given in /home/****/***/***/wp-includes/plugin.php on line 311

    Please, notify the authors of this plugin ^^

  2. benzilla
    Member
    Posted 5 years ago #

    Yes, this seems to be a problem a lot of folks are having. See this thread (which for some reason is listed as "resolved").

  3. benzilla
    Member
    Posted 5 years ago #

    There's a fix/workaround posted on the developer's forum here. Worked for me!

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