If your WooCommerce payment gateway is not working, the issue could be related to several factors. Common problems include incorrect API credentials or outdated payment gateway settings. Payment gateway plugins may be out of date or incompatible with the current WooCommerce or WordPress version. Server-side issues, such as SSL certificate problems or firewall restrictions, can also prevent payment processing. Additionally, caching issues, conflicts with other plugins, or invalid product settings can disrupt payment functionality. To resolve the issue, check for plugin and WooCommerce updates, ensure correct API keys, verify SSL certificates, and test with default themes and minimal plugins enabled.
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