Warning: Illegal string offset 'view_subs' in /www/wp-content/plugins/ninja-forms/includes/register.php on line 148 Fatal error: Uncaught Error: Cannot use string offset as an array in /www/wp-content/plugins/ninja-forms/includes/register.php:148 Stack trace: #0 /www/wp-content/plugins/ninja-forms/includes/admin/pages/ninja-forms-subs/tabs/view-subs/sidebars/select-subs.php(115): ninja_forms_register_sidebar_option('view_subs', Array) #1 /www/wp-includes/plugin.php(496): ninja_forms_register_select_sub_submit('') #2 /www/wp-settings.php(353): do_action('init') #3 /www/wp-config.php(90): require_once('/www/wp-setting...') #4 /www/wp-load.php(29): require_once('/www/wp-config....') #5 /www/wp-blog-header.php(12): require_once('/www/wp-load.ph...') #6 /www/index.php(17): require('/www/wp-blog-he...') #7 {main} thrown in /www/wp-content/plugins/ninja-forms/includes/register.php on line 148