Warning: call_user_func_array() expects parameter 1

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    Posted in: Highend WP Theme  
  • Customer
    abda4life
    August 18, 2015 at 10:35 pm #53352

    Hello I am getting this error in my website:

    Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘wp_post_preview_js’ not found or invalid function name in /home/abda4lifes/public_html/wp-includes/plugin.php on line 496

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