Title: Fatal error when activate Last modified: August 24, 2016 --- # Fatal error when activate * Resolved [Pandoon](https://wordpress.org/support/users/pandoon/) * (@pandoon) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/) * I have a fatal error on all my website after upgrade to 2.0.1 and when i want to activate it: * Fatal error: Call to a member function get() on a non-object in /home/www/***/ web/wp-includes/query.php on line 28 * [https://wordpress.org/plugins/wp-smushit/](https://wordpress.org/plugins/wp-smushit/) Viewing 10 replies - 1 through 10 (of 10 total) * [Umesh Kumar](https://wordpress.org/support/users/umeshsingla/) * (@umeshsingla) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012707) * Hi Pandoon, * Can you provide me details about WordPress version you are using? * Are you trying to update or installing it new? * Is it a multisite or single? * Cheers * Thread Starter [Pandoon](https://wordpress.org/support/users/pandoon/) * (@pandoon) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012711) * Hello, * WordPress 4.1.1, single site. * Firstly, updated from 1.7, but after deleted it and new instal, it is the same, always this error on all pages after activate the plugin * [Umesh Kumar](https://wordpress.org/support/users/umeshsingla/) * (@umeshsingla) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012717) * Hi [@pandoon](https://wordpress.org/support/users/pandoon/), * Can you check the debug log? * I tried replicating the same on my setup, but it works for me, when I upgrade or for new install. * If you could give me the call stack or maybe try deactivation other plugins and then activate WP Smush. * Cheers * [davidwalker1](https://wordpress.org/support/users/davidwalker1/) * (@davidwalker1) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012719) * I’m getting an error after upgrading, when I deactivate error goes away. Warning: in_array() expects parameter 2 to be array, null given in /home/content/78/****/ html/****/wp-content/plugins/bbpress/includes/common/functions.php on line 1446 The error appears twice. Only when trying to log on to the website. * [ToniV](https://wordpress.org/support/users/inomid/) * (@inomid) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012721) * wp crashed !! I actualiced the plugin a few minutes ago and can’t see the web site, I can’t login, … anything works * [DaveTheKnave](https://wordpress.org/support/users/davetheknave/) * (@davetheknave) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012723) * For those with the fatal error: * Log in to your FTP and change the name of the plugin wp-smushit to anything else… * Like wp-smushit2 * That will deactivate the plugin and your site will come back up. * [ToniV](https://wordpress.org/support/users/inomid/) * (@inomid) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012729) * Yes, DaveTheKnave. I have do it and all is right now. I deleted the plugin definitivelly. I hope it will work anyday. Thank you. * Thread Starter [Pandoon](https://wordpress.org/support/users/pandoon/) * (@pandoon) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012754) * [@umesh](https://wordpress.org/support/users/umesh/) Kumar * In the debug log, nothing more, but i find the problem, there is a conflict with an another plugin, safe redirect manager, but it was an old version. So after update, all is ok. * So it is my fault, sorry for the waste time. For me, the problem is resolved. Thanks. * Best regards. * [Umesh Kumar](https://wordpress.org/support/users/umeshsingla/) * (@umeshsingla) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012778) * Hi [@pandoon](https://wordpress.org/support/users/pandoon/), * Thanks for updating us. * [@davidwalker1](https://wordpress.org/support/users/davidwalker1/), that’s bbpress plugin generating that warning. * [@inomid](https://wordpress.org/support/users/inomid/), it is working for us and [@pandoon](https://wordpress.org/support/users/pandoon/) too, can you check the debug log and open a separate thread, if you’re having any issues. * Cheers * Plugin Author [WPMU DEV – Your All-in-One WordPress Platform](https://wordpress.org/support/users/wpmudev/) * (@wpmudev) * [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012839) * Oh we managed to find the plugin conflict issue. Please update to 2.0.4, it should solve it for you. Viewing 10 replies - 1 through 10 (of 10 total) The topic ‘Fatal error when activate’ is closed to new replies. * ![](https://ps.w.org/wp-smushit/assets/icon-256x256.gif?rev=3447113) * [Smush – Image Optimization, Compression, Lazy Load, WebP & CDN](https://wordpress.org/plugins/wp-smushit/) * [Frequently Asked Questions](https://wordpress.org/plugins/wp-smushit/#faq) * [Support Threads](https://wordpress.org/support/plugin/wp-smushit/) * [Active Topics](https://wordpress.org/support/plugin/wp-smushit/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-smushit/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-smushit/reviews/) * 10 replies * 6 participants * Last reply from: [WPMU DEV – Your All-in-One WordPress Platform](https://wordpress.org/support/users/wpmudev/) * Last activity: [11 years, 1 month ago](https://wordpress.org/support/topic/fatal-error-when-activate/#post-6012839) * Status: resolved