Title: cannot activate
Last modified: April 7, 2023

---

# cannot activate

 *  Resolved [brizkalla](https://wordpress.org/support/users/brizkalla/)
 * (@brizkalla)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/cannot-activate-62/)
 * When i try to activate the plugin, i receive the error:
 * **Fatal error**: Cannot use isset() on the result of an expression (you can use“
   null !== expression” instead) in **/home/quixarso/public_html/wp-content/plugins/
   wp-data-access/WPDataAccess/Data_Tables/WPDA_Data_Tables.php** on line **497**

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

 *  Thread Starter [brizkalla](https://wordpress.org/support/users/brizkalla/)
 * (@brizkalla)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/cannot-activate-62/#post-16635550)
 * i just purchased the premium and same thing
 * Plugin could not be activated because it triggered a **fatal error**.[http://quixar.software/wp-admin/plugins.php?action=error_scrape&plugin=wp-data-access-premium%2Fwp-data-access.php&_wpnonce=ab85426c2e](http://quixar.software/wp-admin/plugins.php?action=error_scrape&plugin=wp-data-access-premium%2Fwp-data-access.php&_wpnonce=ab85426c2e)
 *  Plugin Author [Passionate Programmer Peter](https://wordpress.org/support/users/peterschulznl/)
 * (@peterschulznl)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/cannot-activate-62/#post-16638297)
 * Updating from PHP 5.6 to PHP 8.1 solved the issue.
 * Thanks for reporting back,
   Peter

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

The topic ‘cannot activate’ is closed to new replies.

 * ![](https://ps.w.org/wp-data-access/assets/icon-256x256.png?rev=3299063)
 * [WP Data Access – App Builder for Tables, Forms, Charts, Maps & Dashboards](https://wordpress.org/plugins/wp-data-access/)
 * [Support Threads](https://wordpress.org/support/plugin/wp-data-access/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-data-access/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-data-access/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-data-access/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [Passionate Programmer Peter](https://wordpress.org/support/users/peterschulznl/)
 * Last activity: [3 years, 1 month ago](https://wordpress.org/support/topic/cannot-activate-62/#post-16638297)
 * Status: resolved