Fatal error: Uncaught Error: [] operator not supported for strings in /data01/virt58850/domeenid/www.erm.ee/pildiait/wp-content/plugins/gravityforms/common.php:4313 Stack trace: #0 /data01/virt58850/domeenid/www.erm.ee/pildiait/wp-includes/class-wp-walker.php(145): GFCategoryWalker->start_el('', Object(WP_Term), 0, Array) #1 /data01/virt58850/domeenid/www.erm.ee/pildiait/wp-includes/class-wp-walker.php(243): Walker->display_element(Object(WP_Term), Array, 0, 0, Array, '') #2 /data01/virt58850/domeenid/www.erm.ee/pildiait/wp-content/plugins/gravityforms/common.php(3364): Walker->walk(Array, 0, Array) #3 /data01/virt58850/domeenid/www.erm.ee/pildiait/wp-content/plugins/gravityforms/forms_model.php(1875): GFCommon::add_categories_as_choices(Object(GF_Field_Select), '') #4 /data01/virt58850/domeenid/www.erm.ee/pildiait/wp-content/plugins/gravityforms/form_display.php(766): GFFormsModel::get_field_value(Object(GF_Field_Select), Array) #5 /data01/virt58850/domeenid/www.erm.ee/pildiait/wp-content/plugins/gravityforms/gravityform in /data01/virt58850/domeenid/www.erm.ee/pildiait/wp-content/plugins/gravityforms/common.php on line 4313