I’ve already fixed it. I simply had to go to WPML > Languages, and uncheck “Adjust IDs for multilingual functionality” which dramatically increased the performance of the translated version of the website, and I no longer get a PHP notice.
I’ve already fixed it. I simply had to go to WPML > Languages, and uncheck “Adjust IDs for multilingual functionality” which dramatically increased the performance of the translated version of the website, and I no longer get a PHP notice.