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mkassy

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  • Member Since: April 15th, 2012
  • @mkassy on WordPress.org
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  • Posted a reply to Warning: call_user_func_array() expects parameter 1 to be a valid callback, func, on the site WordPress Support Forums:
    I have a similar problem. I am intermittently getting this error message: Warning: call_user_func_array() expects…

    4 years ago