[Waiting for user confirmation] when a taxonomy is attached to a post in a non-default language, the taxonomy of the default langua...

function translate_process_shedule_task( $post_id ) {
    $post = get_post( $post_id );

    if ( empty( $post ) || is_wp_error( $post ) || $post->post_type !== 'post' ) {
        throw new Exception( $post_id . ' post not found' );
    }

    $translated_post_id = apply_filters( 'wpml_object_id', $post_id, 'post', false, 'es' );

    if ( ! $translated_post_id ) {
        $args = [
            'post_title'   => $post->post_title . ' - translated',
            'post_content' => $post->post_content,
            'post_status'  => 'publish',
            'post_type'    => $post->post_type,
        ];

        $new_post_id = wp_insert_post( $args );

        if ( $new_post_id ) {
            $default_post_categories = wp_get_post_terms( $post_id, 'category' );

            do_action( 'wpml_set_element_language_details', [
                'element_id'    => $new_post_id,
                'element_type'  => 'post_' . $post->post_type,
                'trid'          => apply_filters( 'wpml_element_trid', null, $post_id, 'post_' . $post->post_type ),
                'language_code' => 'es',
            ] );

            $translated_term_ids = [];
            foreach ( $default_post_categories as $term ) {
                // Get the translated category ID
                $translated_term_id = apply_filters( 'wpml_object_id', $term->term_id, 'category', true, 'es' );

                if ( $translated_term_id ) {
                    $translated_term_ids[] = $translated_term_id;
                } else {
                    error_log( "No translated category found for term ID: " . $term->term_id );
                }
            }

            if ( !empty( $translated_term_ids ) ) {
                wp_set_post_terms( $new_post_id, $translated_term_ids, 'category' );
            } else {
                error_log( "No translated categories were set for post ID: $new_post_id" );
            }
        }
    }
}