Title: New version error
Last modified: August 22, 2016

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# New version error

 *  Resolved [c](https://wordpress.org/support/users/igneous/)
 * (@igneous)
 * [11 years, 2 months ago](https://wordpress.org/support/topic/new-version-error-1/)
 * I did the new update today and I’m getting this error when I make a new post:
   
   Warning: call_user_func_array() expects parameter 1 to be a valid callback, function‘
   s2_post_updated_send_email’ not found or invalid function name in /home/igneous/
   public_html/asdf/wp-includes/plugin.php on line 496
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/igneous/public_html/asdf/wp-includes/plugin.php:496) in /home/igneous/
   public_html/asdf/wp-admin/post.php on line 233
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/igneous/public_html/asfd/wp-includes/plugin.php:496) in /home/igneous/
   public_html/asf/wp-includes/pluggable.php on line 1178
 * Its happening on more than one installation of wordpress, and as soon as I disable
   this plugin the error stops happening
 * [https://wordpress.org/plugins/register-plus-redux/](https://wordpress.org/plugins/register-plus-redux/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [tanaylakhani](https://wordpress.org/support/users/tanaylakhani/)
 * (@tanaylakhani)
 * [11 years, 2 months ago](https://wordpress.org/support/topic/new-version-error-1/#post-5810773)
 * thanks for pointing out. Fixed. Update released with bug fix
 *  Thread Starter [c](https://wordpress.org/support/users/igneous/)
 * (@igneous)
 * [11 years, 2 months ago](https://wordpress.org/support/topic/new-version-error-1/#post-5810783)
 * thanks for the super fast fix! works great now

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘New version error’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/register-plus-redux.svg)
 * [Register Plus Redux](https://wordpress.org/plugins/register-plus-redux/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/register-plus-redux/#faq)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/register-plus-redux/unresolved/)
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 * 2 replies
 * 2 participants
 * Last reply from: [c](https://wordpress.org/support/users/igneous/)
 * Last activity: [11 years, 2 months ago](https://wordpress.org/support/topic/new-version-error-1/#post-5810783)
 * Status: resolved