Support » Fixing WordPress » warning message – how to remove?

  • Created a new page which previews great but does not display on the web. Error message at the top of the page:

    Warning: join() [function.join]: Invalid arguments passed in /home/amazingw/public_html/radio/wp-content/themes/headway-2014/library/core/css-classes.php on line 111

    I have not changed any php files, etc. Any idea how to remove this?

    actual page is


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