If your WooCommerce checkout is not working, several factors could be causing the issue. Common reasons include conflicting plugins or outdated themes, which may disrupt the checkout process. Issues with payment gateways, incorrect configurations, or expired SSL certificates can also affect transactions. Another possibility is insufficient server resources, such as low PHP limits or outdated PHP versions, preventing the checkout from functioning. It’s also worth checking for broken cart data or incorrect shipping methods. To troubleshoot, disable conflicting plugins, update your theme and plugins, ensure correct payment settings, and clear browser and site cache.
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