Title: Admin Ajax Return 400 Status Code Last modified: October 17, 2021 --- # Admin Ajax Return 400 Status Code * Resolved [myilraj05](https://wordpress.org/support/users/myilraj05/) * (@myilraj05) * [4 years, 10 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/) * Hello Team, I am getting a 400 Status Code for Admin-ajax.php request. Can you please help me to fix? Regards, Myilraj G * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fadmin-ajax-return-400-status-code%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 11 replies - 1 through 11 (of 11 total) * [Harshad](https://wordpress.org/support/users/bornforphp/) * (@bornforphp) * [4 years, 10 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-14978808) * [@myilraj05](https://wordpress.org/support/users/myilraj05/) Could you please let us know where exactly you get 400 Status Code for Admin-ajax.php request? * Thread Starter [myilraj05](https://wordpress.org/support/users/myilraj05/) * (@myilraj05) * [4 years, 10 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-14978937) * I have installed the plugin and navigate to the “Table Optimization Page”. But, the table is not listed and at the time, when I check the Console, I can see 400 Status Code. Attached is the image for your reference. [Imge](https://prnt.sc/1wkrhb7) * Regards, Myilraj G * [Harshad](https://wordpress.org/support/users/bornforphp/) * (@bornforphp) * [4 years, 10 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-14982787) * [@myilraj05](https://wordpress.org/support/users/myilraj05/) * Can you please enable debugging mode, Please add following lines to wp-config. php just before where it says: /* That’s all, stop editing! Happy publishing.*/ * define( ‘WP_DEBUG’, true ); define( ‘WP_DEBUG_DISPLAY’, false ); define( ‘WP_DEBUG_LOG’, true ); * Then try to reload the page again. * A debug.log file should be created inside wp-content folder,which should contain error information in it, Please share the file with us. * [Alexander Guskov](https://wordpress.org/support/users/forcesail/) * (@forcesail) * [4 years, 10 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-14996925) * Hello. I have the same problem that comes regular when I don’t clean the cache manually (pressing the button) for a few days and it resolves with it. * [Harshad](https://wordpress.org/support/users/bornforphp/) * (@bornforphp) * [4 years, 10 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-14998259) * [@forcesail](https://wordpress.org/support/users/forcesail/) Yes sometimes you have to manually purge the cache if the clear cache trigger gets stuck. * [Alexander Guskov](https://wordpress.org/support/users/forcesail/) * (@forcesail) * [4 years, 9 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-15008924) * How to understand that it’s necessary to do? Now I’m doing it at least once in 3 days. Otherwise I have some (different) problems * [Harshad](https://wordpress.org/support/users/bornforphp/) * (@bornforphp) * [4 years, 9 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-15010161) * [@forcesail](https://wordpress.org/support/users/forcesail/) The cache folder size in wp-content because large in size, so in that case you’ll have to manually purge the cache. * [Alexander Guskov](https://wordpress.org/support/users/forcesail/) * (@forcesail) * [4 years, 9 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-15010701) * Ok. I guessed the same. * How it’s possible to fix the getting stuck of the clear cache trigger? and why it’s happendes? * [Harshad](https://wordpress.org/support/users/bornforphp/) * (@bornforphp) * [4 years, 9 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-15013845) * [@forcesail](https://wordpress.org/support/users/forcesail/) Though its unusual but sometime WordPress fails to trigger the calls made by the plugin, or could also be the conflict with other calls made by other plugins installed. * So in this case you’ll have to manually purge the cache. * [Alexander Guskov](https://wordpress.org/support/users/forcesail/) * (@forcesail) * [4 years, 9 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-15014535) * I have been checked the cron log. Nothing never been missed. All events are processing in time. * [Harshad](https://wordpress.org/support/users/bornforphp/) * (@bornforphp) * [4 years, 9 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-15017462) * [@forcesail](https://wordpress.org/support/users/forcesail/) I’ll check this with our development team for further tests and if its a bug then it will get fixed in next release. Viewing 11 replies - 1 through 11 (of 11 total) The topic ‘Admin Ajax Return 400 Status Code’ is closed to new replies. * ![](https://ps.w.org/wp-optimize/assets/icon-256x256.png?rev=1552899) * [WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance](https://wordpress.org/plugins/wp-optimize/) * [Frequently Asked Questions](https://wordpress.org/plugins/wp-optimize/#faq) * [Support Threads](https://wordpress.org/support/plugin/wp-optimize/) * [Active Topics](https://wordpress.org/support/plugin/wp-optimize/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-optimize/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-optimize/reviews/) * 11 replies * 3 participants * Last reply from: [Harshad](https://wordpress.org/support/users/bornforphp/) * Last activity: [4 years, 9 months ago](https://wordpress.org/support/topic/admin-ajax-return-400-status-code/#post-15017462) * Status: resolved