WPML Error

Hi,
I have an error that appear sometimes in a website with 3 language and WPML. Some times $args[‘options’] (includes/class-frontend.php line 66) have term->slug in different language and failed the check on this line: if ( in_array( $term->slug, $options ) ) {

I see that if I save the product restart to work correctly. Can you help me to solve the issue?

Thanks,
Jacopo