Problem: After updating WooCommerce Multilingual & Multicurrency to version 5.5.0, a deprecated error appears on each page of the website, indicating an issue with the order of parameters in the code:
Deprecated: Optional parameter $post_translations declared before required parameter $wpdb is implicitly treated as a required parameter in /wp-content/plugins/woocommerce-multilingual/inc/class-wcml-products.php on line 33
Solution: We have released an update, WCML version 5.5.1, which addresses this issue. We recommend updating to the latest version of WCML to resolve the deprecated error. You can view the complete changelog and download the update from here.
Please note that this solution might be irrelevant if it's outdated or not applicable to your case. We highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If the issue persists, please open a new support ticket at WPML support forum.
