Title: Undefined Index Last modified: August 30, 2016 --- # Undefined Index * Resolved [sparkweb](https://wordpress.org/support/users/sparkweb/) * (@sparkweb) * [10 years, 5 months ago](https://wordpress.org/support/topic/undefined-index-67/) * Hi, when running with WP-DEBUG turned on, I’m getting this error: * `Notice: Undefined index: HTTP_X_REQUESTED_WITH in ******/public_html/ staging/wp-content/plugins/wysija-newsletters/core/base.php on line 1624
` * Running version 2.6.19 * [https://wordpress.org/plugins/wysija-newsletters/](https://wordpress.org/plugins/wysija-newsletters/) Viewing 2 replies - 1 through 2 (of 2 total) * [Wysija](https://wordpress.org/support/users/wysija/) * (@wysija) * [10 years, 4 months ago](https://wordpress.org/support/topic/undefined-index-67/#post-6866262) * Sorry about that, but this shouldn’t cause you any troubles, since this is just a PHP Notice. We’ll fix that on the next version. Sorry for the inconvenience. * Thread Starter [sparkweb](https://wordpress.org/support/users/sparkweb/) * (@sparkweb) * [10 years, 4 months ago](https://wordpress.org/support/topic/undefined-index-67/#post-6866263) * Right, just wanted to send an alert. 🙂 thanks…. Viewing 2 replies - 1 through 2 (of 2 total) The topic ‘Undefined Index’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/wysija-newsletters_ffddcc.svg) * [MailPoet Newsletters (Previous)](https://wordpress.org/plugins/wysija-newsletters/) * [Support Threads](https://wordpress.org/support/plugin/wysija-newsletters/) * [Active Topics](https://wordpress.org/support/plugin/wysija-newsletters/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wysija-newsletters/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wysija-newsletters/reviews/) * 2 replies * 2 participants * Last reply from: [sparkweb](https://wordpress.org/support/users/sparkweb/) * Last activity: [10 years, 4 months ago](https://wordpress.org/support/topic/undefined-index-67/#post-6866263) * Status: resolved