Pursuant to Wisconsin Statutes section 59.69(14), a land owner, occupant or other person affected by this ordinance or amendment thereto who claims that this ordinance or amendment is invalid because procedures prescribed by the statutes or the ordinance were not followed shall be forever barred unless the court action is commenced within 6 months after adoption. Provided, this subsection shall not apply unless there has been at least one publication of a notice of a zoning hearing in a local newspaper of general circulation and unless a public hearing has been had on the ordinance or amendment at the time and place specified in such notice. [Code § 12.02-9.]