Title: Cannot Activate
Last modified: October 31, 2022

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# Cannot Activate

 *  Resolved [espressivo](https://wordpress.org/support/users/espressivo/)
 * (@espressivo)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/cannot-activate-60/)
 * Cannot Activate due to error:
 * `Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type 
   array, string given in /var/www/wp-content/plugins/post-smtp/Postman/PostmanInstaller.
   php:44 Stack trace: #0 /var/www/wp-content/plugins/post-smtp/Postman/PostmanInstaller.
   php(44): array_merge('o', Array) #1 /var/www/wp-content/plugins/post-smtp/Postman/
   Postman.php(127): PostmanInstaller->activatePostman() #2 /var/www/wp-content/
   plugins/post-smtp/postman-smtp.php(176): Postman->__construct('/var/www/wp-con...','
   2.1.10') #3 /var/www/wp-content/plugins/post-smtp/postman-smtp.php(167): post_setupPostman()#
   4 /var/www/wp-content/plugins/post-smtp/postman-smtp.php(96): post_smtp_start(
   51075152) #5 /var/www/wp-admin/includes/plugin.php(2313): include_once('/var/
   www/wp-con...') #6 /var/www/wp-admin/plugins.php(192): plugin_sandbox_scrape('
   post-smtp/postm...') #7 {main} thrown in /var/www/wp-content/plugins/post-smtp/
   Postman/PostmanInstaller.php on line 44`

Viewing 7 replies - 1 through 7 (of 7 total)

 *  Plugin Support [M Haseeb](https://wordpress.org/support/users/haseeb0001/)
 * (@haseeb0001)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/cannot-activate-60/#post-16153036)
 * [@espressivo](https://wordpress.org/support/users/espressivo/) Hi,
 * Hope you are doing well.
 * Did you update the Plugin or did this error happen on a fresh installation?
 * Thanks
 *  Thread Starter [espressivo](https://wordpress.org/support/users/espressivo/)
 * (@espressivo)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/cannot-activate-60/#post-16153040)
 * I deleted the plugin and re-installed and cannot activate it.
 *  Plugin Support [M Haseeb](https://wordpress.org/support/users/haseeb0001/)
 * (@haseeb0001)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/cannot-activate-60/#post-16156731)
 * [@espressivo](https://wordpress.org/support/users/espressivo/)
 * It seems like a plugin conflict, and you need to contact our website so; then
   our senior support will look into it and get back to you with a solution.
 * Thanks
 *  Thread Starter [espressivo](https://wordpress.org/support/users/espressivo/)
 * (@espressivo)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/cannot-activate-60/#post-16166227)
 * I will reach out – just tested on 2022 theme no other plugins activated
 *  Plugin Support [M Haseeb](https://wordpress.org/support/users/haseeb0001/)
 * (@haseeb0001)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/cannot-activate-60/#post-16172124)
 * [@espressivo](https://wordpress.org/support/users/espressivo/) OK, we are looking
   into it and will share updates soon.
 * Thanks
 *  Thread Starter [espressivo](https://wordpress.org/support/users/espressivo/)
 * (@espressivo)
 * [3 years, 6 months ago](https://wordpress.org/support/topic/cannot-activate-60/#post-16191756)
 * I responded to your support ticket but no response back…
 *  Plugin Support [M Haseeb](https://wordpress.org/support/users/haseeb0001/)
 * (@haseeb0001)
 * [3 years, 6 months ago](https://wordpress.org/support/topic/cannot-activate-60/#post-16196155)
 * [@espressivo](https://wordpress.org/support/users/espressivo/) Team will respond
   to you soon.
 * Thanks

Viewing 7 replies - 1 through 7 (of 7 total)

The topic ‘Cannot Activate’ is closed to new replies.

 * ![](https://ps.w.org/post-smtp/assets/icon-128x128.gif?rev=3209655)
 * [Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App](https://wordpress.org/plugins/post-smtp/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/post-smtp/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/post-smtp/)
 * [Active Topics](https://wordpress.org/support/plugin/post-smtp/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/post-smtp/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/post-smtp/reviews/)

 * 7 replies
 * 2 participants
 * Last reply from: [M Haseeb](https://wordpress.org/support/users/haseeb0001/)
 * Last activity: [3 years, 6 months ago](https://wordpress.org/support/topic/cannot-activate-60/#post-16196155)
 * Status: resolved