Title: Warning
Last modified: August 21, 2016

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# Warning

 *  Resolved [Knut Sparhell](https://wordpress.org/support/users/knutsp/)
 * (@knutsp)
 * [13 years ago](https://wordpress.org/support/topic/warning-24/)
 * `Warning: call_user_func_array() expects parameter 1 to be a valid callback, 
   class 'WP101_Plugin' does not have a method 'api_key_notset_message' in [removed]/
   wp-includes/plugin.php on line 406`
 * Seen on a multisite, sub-site admin `?page=wp101&configure=1` with no API key.
 * [http://wordpress.org/extend/plugins/wp101/](http://wordpress.org/extend/plugins/wp101/)

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [Shawn Hesketh](https://wordpress.org/support/users/shawndh/)
 * (@shawndh)
 * [12 years, 9 months ago](https://wordpress.org/support/topic/warning-24/#post-3818247)
 * Version 2.0.6 should resolve this issue with the missing api_key_notset_message.
 * Thanks for reporting this!

Viewing 1 replies (of 1 total)

The topic ‘Warning’ is closed to new replies.

 * ![](https://ps.w.org/wp101/assets/icon-256x256.jpg?rev=2204738)
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 * 1 reply
 * 2 participants
 * Last reply from: [Shawn Hesketh](https://wordpress.org/support/users/shawndh/)
 * Last activity: [12 years, 9 months ago](https://wordpress.org/support/topic/warning-24/#post-3818247)
 * Status: resolved