PHP Error – Trying to access array offset on false

2026-02-06T06:07:06+00:00 Debug [Shortcode #2] Session updated with checkout data and totals calculated "last_error": { "type": 2, "message": "Trying to access array offset on false", "file": "/var/www/html/wp-content/plugins/woocommerce-pdf-invoices-italian-add-on/woocommerce-pdf-italian-add-on.php", "line": 172 }, "backtrace": [ { "file": "/var/www/html/wp-content/plugins/woocommerce/includes/class-wc-checkout.php", "line": 1318, "function": "wc_log_order_step" }, { "file": "/var/www/html/wp-content/plugins/woocommerce/includes/class-wc-ajax.php", "line": 544, "function": "process_checkout", "class": "WC_Checkout", "type": "->" }, { "file": "/var/www/html/wp-includes/class-wp-hook.php", "line": 341, "function": "checkout", "class": "WC_AJAX", "type": "::" } ], "remote-logging": false }