Cannot save settings

I’ve used this before on other sites with no issue, but this time, I can’t save anything when deactivating plugins in any of the 3 Oxygen areas. It just hangs and spins and I get an error in the console: HTTP/2 error 400 Bad Request on /wp-admin/ajax.php Hi @roodude I’m not able to reproduce the same problem. Looking at the code of Editor Cleanup For Oxygen, I can say this issue can’t occur if all the following conditions are met: Freesoul Deactivate Plugins version > 1.9.4.9 is active during the saving process Oxygen is active during the saving process The file wp-content/plugins/editor-cleanup-for-oxygen/admin/soitb-ajax.php exists The file wp-content/plugins/editor-cleanup-for-oxygen/admin/soitb-ajax.php wasn’t changed, and it still includes the functions: eos_dp_save_oxygen_outer_settings (needed if you save the settings of the outer editor eos_dp_save_oxygen_inner_settings (needed if you save the settings of the inner editor eos_dp_save_oxygen_loading_settings (needed if you save the settings of the loading process) eos_dp_save_oxygen_settings (needed by the other functions above) If the conditions above are met, theoretically, nothing in the plugin can cause the error that you reported. So, please, first check all the conditions above, and if you have some doubts about some of them let me know. To see if the issue is caused by other plugins, or by the browser, please, do as follow: Go to the Editor Cleanup Settings page where you have the issue Right-click and click on Inspect Click on Console Write exactly this: fdp_oxygen.page Press enter Then, please, tell me what you see in the console after you press enter. I also suggest you check the same issue with a different browser. I hope it helps. Have a great day! Jose This reply was modified 2 years, 9 months ago by Jose Mortellaro .