Wordpress LScache Plugin: Enabled the object cache website has a critical error
Last Updated on: Wed, 15 Apr 2026 00:00:02 After enabled the object cache. The memcached or redis Object cache status is enabled. connection status is successful. But the webpage prompts a critical error Already clear all the cache [url=https://sm.ms/image/2aRwDmuxkYMA9h3][img]https://i.loli.net/2020/09/17/2aRwDmuxkYMA9h3.jpg[/img][/url] [url=https://sm.ms/image/eMz9xDEpAikwugo][img]https://i.loli.net/2020/09/17/eMz9xDEpAikwugo.jpg[/img][/url] Hi, Could you please check the PHP error log and see if there is anything ? Best regards, Hi, Im going to mark this topic Resolved , due to lack of activity. If you still need help, please feel free to re-open it. Best regards, Fatal error: Uncaught Error: Call to undefined function maybe_unserialize() in /www/wwwroot/xxxxxxxxx.com/wp-content/plugins/litespeed-cache/src/object.lib.php:243 Stack trace: #0 /www/wwwroot/xxxxxxxxx.com/wp-content/plugins/litespeed-cache/src/object.lib.php(37): WP_Object_Cache->get() #1 /www/wwwroot/xxxxxxxxx.com/wp-content/advanced-cache.php(416): wp_cache_get() #2 /www/wwwroot/xxxxxxxxx.com/wp-settings.php(95): include(/www/wwwroot/ma?) #3 /www/wwwroot/xxxxxxxxx.com/wp-config.php(93): require_once(/www/wwwroot/ma?) #4 /www/wwwroot/xxxxxxxxx.com/wp-load.php(37): require_once(/www/wwwroot/ma?) #5 /www/wwwroot/xxxxxxxxx.com/wp-blog-header.php(13): require_once(/www/wwwroot/ma?) #6 /www/wwwroot/xxxxxxxxx.com/index.php(17): require(/www/wwwroot/ma?) #7 main thrown in /www/wwwroot/xxxxxxxxx.com/wp-content/plugins/litespeed-cache/src/object.lib.php on line 243 There has been a critical error on your website hello? @CacheCrawler Hi, Hello , sorry for late response during weekend. could you please add this into bottom of your themes footer.php , then go to any of your front page, see what it says at bottom of page? and may I know what is your LSCWP version and WP version ? Best regards, @CacheCrawler thank for your reply it says maybe_serialize function is available at the bottom of page. lscwp v3.4.2 wp v5.5.1 Please help to check what is wrong, thank you Hi, tomorrow or day after we will release a new version with some fix on object cache , please wait for it and upgrade , see if it fixes this issue. Best regards, @CacheCrawler Looking forward to the new version, thank you very much for your support @CacheCrawler Hello, I just updated the latest 3.5.0.1, but the problem still exists. What should I do now? Fatal error: Uncaught Error: Call to undefined function maybe_unserialize() in /www/wwwroot/xxxxxxxxx.com/wp-content/plugins/litespeed-cache/src/object.lib.php:243 Stack trace: #0 /www/wwwroot/xxxxxxxxx.com/wp-content/plugins/litespeed-cache/src/object.lib.php(37): WP_Object_Cache->get() #1 /www/wwwroot/xxxxxxxxx.com/wp-content/advanced-cache.php(416): wp_cache_get() #2 /www/wwwroot/xxxxxxxxx.com/wp-settings.php(95): include(/www/wwwroot/ma?) #3 /www/wwwroot/xxxxxxxxx.com/wp-config.php(93): require_once(/www/wwwroot/ma?) #4 /www/wwwroot/xxxxxxxxx.com/wp-load.php(37): require_once(/www/wwwroot/ma?) #5 /www/wwwroot/xxxxxxxxx.com/wp-blog-header.php(13): require_once(/www/wwwroot/ma?) #6 /www/wwwroot/xxxxxxxxx.com/index.php(17): require(/www/wwwroot/ma?) #7 main thrown in /www/wwwroot/xxxxxxxxx.com/wp-content/plugins/litespeed-cache/src/object.lib.php on line 243 There has been a critical error on your website. Hi, this is weird, I tried many times, but can not reproduce it on my site. could you please disable all other plugins , then try to enable object cache , see how it goes ? I feel it might be conflict with something. Best regards, @CacheCrawler Hello, I have disabled all plugins, there is still a issue, there is also a issue with changing the theme, but this problem is only for users who are not logged in. Are there any other methods of screening Hi, Please create a ticket here, we will investigate it further Best regards, @CacheCrawler Thank you, I have created a ticket.
LiteCache Rush: Speed comes from using less, not from doing it faster
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