Warning: Illegal string offset 'slideshow' in /wp-content/themes/brightbox/includes/admin/compat.php on line 48

Fatal error: Uncaught Error: Cannot use string offset as an array in /wp-content/themes/brightbox/includes/admin/compat.php:48 Stack trace: #0 /wp-includes/class-wp-hook.php(286): avia_backend_compatibility_custom_field_filter('', 2131) #1 /wp-includes/plugin.php(203): WP_Hook->apply_filters('', Array) #2 /wp-content/themes/brightbox/framework/php/function-set-avia-frontend.php(262): apply_filters('avia_post_meta_...', '', 2131) #3 /wp-content/themes/brightbox/includes/helper-templates.php(610): avia_post_meta(2131, 'dynamic_templat...') #4 /wp-content/themes/brightbox/single.php(4): avia_get_template() #5 /wp-includes/template-loader.php(74): include('/wp-content/the...') #6 /wp-blog-header.php(19): require_once('/wp-includes/te...') #7 /index.php(17): require('/wp-blog-header...') #8 {main} thrown in /wp-content/themes/brightbox/includes/admin/compat.php on line 48