No procedural irregularity or informality in the notice, consideration, hearing or other matter relating to the decision and/or appeal shall affect the final decision, or any other action leading to the final decision, unless substantial rights of a person with demonstrable beneficial interests are adversely affected and unless objection to any procedural irregularity is made to the City at the earliest possible time after discovery. (Ord. 2587 § 3 (Exh. B2), 2010; Ord. 1645 § 6, 1984).