Illegal offset type error during checkout

[mrsurfhunter]

While using the Newspack plugin for user subscriptions, we encountered a PHP Recoverable Error in WooCommerce Subscriptions (v7.2.1). The error message is:

Mar 15/2025 17:37:31 > 2025-03-15T23:37:31.110382193Z stderr F [15-Mar-2025 23:37:31 UTC] PHP Recoverable Error: Uncaught exception 'TypeError' with message 'Illegal offset type' in /app/web/wp-content/plugins/woocommerce-subscriptions/vendor/woocommerce/subscriptions-core/wcs-functions.php on line 545, request: POST /?wc-ajax=checkout, request_id: e967e093b4f5349ea14b983f851acb73

This is the line
$subscriptions[ $subscription_id ] = wcs_get_subscription( $subscription_id );

All the plugins and wordpress are el the latest version.

[yashhhYB]

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It looks like the error is happening because the $subscription_id is not the right type (it should be a string or an integer). To fix this, you can check if it's the correct type before using it like this:

if (is_string($subscription_id) || is_int($subscription_id)) {
    $subscriptions[ $subscription_id ] = wcs_get_subscription( $subscription_id );
} else {
    // Log the error or show a message
    error_log('Invalid subscription ID type: ' . var_export($subscription_id, true));
}

This will prevent the "Illegal offset type" error.

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