Title: PHP Error
Last modified: May 28, 2019

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# PHP Error

 *  Resolved [Michael Krivoshey](https://wordpress.org/support/users/michaelukr/)
 * (@michaelukr)
 * [7 years ago](https://wordpress.org/support/topic/php-error-328/)
 * got 2 php error after activated plugin
 * Undefined index: disable_subscription_popup
    wp-content/plugins/pushengage/core_class.
   php:75
 * Non-static method Pushengage::checkUserAuthenticaiton() should not be called 
   statically
    wp-content/plugins/pushengage/core_class.php:29
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-error-328%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [PushEngage](https://wordpress.org/support/users/pushengage/)
 * (@pushengage)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/php-error-328/#post-11804250)
 * Can you please update to latest version of the plugin, and let us know if this
   is fixed.
 * We noticed that you have been gathering subscribers with another tool, but in
   a non portable manner. We wrote about how to gather subscribers portably here–
   [https://blog.pushengage.com/the-complete-guide-to-implementing-browser-push-notifications-without-a-vendor-lock-in/](https://blog.pushengage.com/the-complete-guide-to-implementing-browser-push-notifications-without-a-vendor-lock-in/)
 * Regards
    Ravi

Viewing 1 replies (of 1 total)

The topic ‘PHP Error’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [PushEngage](https://wordpress.org/support/users/pushengage/)
 * Last activity: [6 years, 10 months ago](https://wordpress.org/support/topic/php-error-328/#post-11804250)
 * Status: resolved