Wordpress LScache Plugin: Error 400 after post update
Last Updated on: Wed, 15 Apr 2026 00:00:02 When i enable ESI in the plugin and want to save pages in the admin with shortcodes converted to esi in gutenberg, i always get an error that the returned JSON was invalid. As soon as i disable esi, it saves as normal.Any idea where to start debugging to resolve this? https://pasteboard.co/JqVXkEi.png https://pasteboard.co/JqVXMXt.png https://pasteboard.co/JqVZRuL.png The page I need help with: https://preprod.thegameday.com/ Hi, May I know what is your server stack ? Best regards, Hi, The site runs on closte (https://closte.com/). PHP 7.3 Litespeed plugin 3.4.2 Wordpress 5.5.1 I have it on preprod & prod instances so it seems its not isolated to the wordpress instance. Do you need more information? Hi, in your https://pasteboard.co/JqVXMXt.png , what is the HTTP status code for these red-request ? 400 ? and please provide the report number , you can get in toolbox -> report -> click send to LiteSpeed Best regards, Hi, Thanks for getting back to me. See this url for full headers: https://pasteboard.co/JrabURu.png Report number: KMPATAPM With kind regards, Hi, If ESI enable will give you this error , then you will need to contact your hosting provider as 400 error needs to check the server-side log there is no way for you or me to get hand to that log Best regards, It was a simple fix. A blank space in one of the template files after ?> closing tag caused another call to fail. Removed the space and it was ok.
LiteCache Rush: Speed comes from using less, not from doing it faster
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