Title: PHP errors when saving settings
Last modified: January 10, 2019

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# PHP errors when saving settings

 *  Resolved [Marcoevich](https://wordpress.org/support/users/marcoevich/)
 * (@marcoevich)
 * [7 years, 5 months ago](https://wordpress.org/support/topic/php-errors-when-saving-settings/)
 * Hello,
 * When saving the settings on this plugin for the first time, I get a white screen
   with some PHP errors:
 * Notice: Undefined index: api_key in /wp-content/plugins/olalaweb-mailchimp-campaign-
   manager/class/MailchimpAdmin.php on line 151
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/olalaweb-mailchimp-campaign-manager/class/MailchimpAdmin.
   php:151) in /wp-includes/pluggable.php on line 1219
 * Would not recommend this plugin at this time.

Viewing 1 replies (of 1 total)

 *  Plugin Author [Matthieu](https://wordpress.org/support/users/matthieuscarset-1/)
 * (@matthieuscarset-1)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/php-errors-when-saving-settings/#post-11234556)
 * Thanks for testing this plugin [@marcoevich](https://wordpress.org/support/users/marcoevich/)
 * New `3.1.2` version fixed this issue.

Viewing 1 replies (of 1 total)

The topic ‘PHP errors when saving settings’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/olalaweb-mailchimp-campaign-manager_207092.
   svg)
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 * [Active Topics](https://wordpress.org/support/plugin/olalaweb-mailchimp-campaign-manager/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/olalaweb-mailchimp-campaign-manager/unresolved/)
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 * 1 reply
 * 2 participants
 * Last reply from: [Matthieu](https://wordpress.org/support/users/matthieuscarset-1/)
 * Last activity: [7 years, 3 months ago](https://wordpress.org/support/topic/php-errors-when-saving-settings/#post-11234556)
 * Status: resolved