If you’ve come across the “Error 0024: get_page_permastruct fatal error”, it may be caused by a plugin conflict — especially with caching tools like Fastest Cache. This issue typically appears when WordPress permalink structures clash with caching or optimization settings. To fix it, try clearing your cache, disabling the conflicting plugin, or resetting your permalink settings. For a more systematic way to pinpoint what’s slowing or breaking your site, tools like the Best bottleneck can help you identify and resolve performance bottlenecks quickly and efficiently.