grunion_media_button
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Just started getting a “Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘grunion_media_button’ not found or invalid function name in … /wp-includes/class-wp-hook.php on line 298” appearing in the Widget Editor box. The plugin seems to be working fine.
How can this be fixed? Plugin update?
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Viewing 3 replies - 1 through 3 (of 3 total)
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