Projects Format Store

Fatal error: Uncaught Error: Object of class WP_Error could not be converted to string in /var/websites/projects.format-store.com/wp-content/themes/tobel/inc/title/helper.php:148 Stack trace: #0 /var/websites/projects.format-store.com/wp-content/themes/tobel/inc/title/templates/title-content.php(9): tobel_theme_breadcrumbs() #1 /var/websites/projects.format-store.com/wp-content/themes/tobel/helpers/helper.php(104): include('/var/websites/p...') #2 /var/websites/projects.format-store.com/wp-content/themes/tobel/inc/title/templates/title.php(9): tobel_get_template_part() #3 /var/websites/projects.format-store.com/wp-content/themes/tobel/helpers/helper.php(104): include('/var/websites/p...') #4 /var/websites/projects.format-store.com/wp-content/themes/tobel/inc/title/helper.php(20): tobel_get_template_part() #5 /var/websites/projects.format-store.com/wp-includes/class-wp-hook.php(324): tobel_load_page_title() #6 /var/websites/projects.format-store.com/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #7 /var/websi in /var/websites/projects.format-store.com/wp-content/themes/tobel/inc/title/helper.php on line 148