Title: Error after submit
Last modified: August 30, 2016

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# Error after submit

 *  Resolved [jimario](https://wordpress.org/support/users/jimario/)
 * (@jimario)
 * [10 years, 12 months ago](https://wordpress.org/support/topic/error-after-submit-1/)
 * After submitting the form, I got the message “Your Registration was successful.
   Please check your email for confirmation.”
 * However, I also got the following error message at the top of the page:
 * Warning: call_user_func_array() expects parameter 1 to be a valid callback, function‘
   set_contenttype’ not found or invalid function name in /wp-includes/plugin.php
   on line 213
 * Does anyone know what this is and how to troubleshoot it?
 * [https://wordpress.org/plugins/simplr-registration-form/](https://wordpress.org/plugins/simplr-registration-form/)

Viewing 1 replies (of 1 total)

 *  Thread Starter [jimario](https://wordpress.org/support/users/jimario/)
 * (@jimario)
 * [10 years, 12 months ago](https://wordpress.org/support/topic/error-after-submit-1/#post-6231263)
 * I Figured it out.

Viewing 1 replies (of 1 total)

The topic ‘Error after submit’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/simplr-registration-form_be8c38.svg)
 * [Simplr Registration Form Plus+](https://wordpress.org/plugins/simplr-registration-form/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/simplr-registration-form/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/simplr-registration-form/)
 * [Active Topics](https://wordpress.org/support/plugin/simplr-registration-form/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/simplr-registration-form/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/simplr-registration-form/reviews/)

## Tags

 * [call_user_func_array](https://wordpress.org/support/topic-tag/call_user_func_array/)
 * [plugin.php](https://wordpress.org/support/topic-tag/plugin-php/)
 * [submit](https://wordpress.org/support/topic-tag/submit/)

 * 1 reply
 * 1 participant
 * Last reply from: [jimario](https://wordpress.org/support/users/jimario/)
 * Last activity: [10 years, 12 months ago](https://wordpress.org/support/topic/error-after-submit-1/#post-6231263)
 * Status: resolved