“CRITICAL Object of class WP_Error could not be converted to string” using templates with twig
wp_get_post_terms() returns a WP_Error on failure. (Are you sure it’s $colection and not $collection in that function call?) You can check the return value using is_wp_error() and decide what you’re going to output if it is, in fact, a WP_Error. For example: $term = wp_get_post_terms( $colection->posts[0]->ID ,’look’ ); if ( is_wp_error( $term ) ) { … Read more