Fatal error: Uncaught Error: [] operator not supported for strings in /home/calliope/public_html/wp-content/plugins/chronosly/post-types/post_type_chronosly.php:649 Stack trace: #0 /home/calliope/public_html/wp-content/plugins/chronosly/post-types/post_type_chronosly.php(426): Post_Type_Chronosly::add_custom_post_vars_call(Object(WP_Query), false) #1 /home/calliope/public_html/wp-includes/class-wp-hook.php(286): Post_Type_Chronosly::add_custom_post_vars(Object(WP_Query)) #2 /home/calliope/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #3 /home/calliope/public_html/wp-includes/plugin.php(515): WP_Hook->do_action(Array) #4 /home/calliope/public_html/wp-includes/class-wp-query.php(1634): do_action_ref_array('pre_get_posts', Array) #5 /home/calliope/public_html/wp-includes/class-wp-query.php(3230): WP_Query->get_posts() #6 /home/calliope/public_html/wp-includes/post.php(1836): WP_Query->query(Array) #7 /home/calliope/public_html/wp-content/plugins/chronosly/post-types/post_type_chronosly.p in /home/calliope/public_html/wp-content/plugins/chronosly/post-types/post_type_chronosly.php on line 649