WordPress database error: [Unknown column 'bookingpress_is_customer_field' in 'where clause']SELECT * FROM wpxf_bookingpress_form_fields WHERE bookingpress_field_is_default = 0 AND bookingpress_is_customer_field = 0 AND bookingpress_field_type != '2_col' AND bookingpress_field_type != '3_col' AND bookingpress_field_type != '4_col'