Warning: Undefined property: WP_Error::$slug

[leasben]

Hi team, please assist in resolving the following issue above, below is my code:

 );
                        $projects_query = new WP_Query( $projects_args );
                        if ( $projects_query ->have_posts() ) {
                            echo '<h3>Projects</h3>';
                            while ( $projects_query->have_posts() ) {
                                $projects_query->the_post();
                                $term_id = get_field( 'technology' );
                                $term = get_term( $term_id, 'technologies' );
                                $icon = $term->slug;
                        ?>
                        <div class="slider_btn <?php echo $icon; ?> offices">
                            <a href="<?php echo get_the_permalink(); ?>"><span class="eng"><?php echo get_the_title(); ?>
                            </span><span class="fr"><?php the_field('french_title');?></span></a>
                        </div>
                        <?php
                            }
                        }
                        endif;

[cyberRobot]

Have you tried outputting the variables to see if they contain expected values?

Based on the error message in the title, it sounds like $term contains an error object (WP_Error) instead of a term (WP_Term).
https://developer.wordpress.org/reference/functions/get_term/#return

[leasben]

I have modified the code to look like this but I get an error has occurred on your site, learn more about WP troubleshooting

 

if ( $projects_query->have_posts() ) {

echo '<h3>Projects</h3>';

while ( $projects_query->have_posts() ) {

$projects_query->the_post();

$term_id = get_field( 'technology' );

$term = get_term( $term_id, 'technologies' );

if ( ! is_wp_error( $term ) && isset( $term->slug ) ) {

$icon = $term->slug;

} else {

$icon $icon = 'default-icon';

} 

wp_reset_postdata();

}

[cyberRobot]

The error is likely caused by the following line:

$icon $icon = 'default-icon';

Note the duplicate $icon.

[leasben]

5 hours ago, cyberRobot said:

The error is likely caused by the following line:

$icon $icon = 'default-icon';

Oh thats a typo i made when I was typing in the code.