Don't get rid of or adjust other Qualities (for example, Never get rid of the startDate or site); instead, hold all values as the same as they have been prior to the postponement, and update the eventStatus to EventPostponed. Why? Homes like startDate and site assistance identify the exceptional event https://prestashop-block-ip-addre58010.activosblog.com/30922761/detailed-notes-on-product-schema-example