In the event that the official zoning map becomes damaged, destroyed, lost or difficult to interpret because of use, the Council may by resolution adopt a new official zoning map which shall supersede the prior official zoning map. The new official zoning map may correct drafting or other errors or omissions in the prior official zoning map, but no such correction shall have the effect of amending the original zoning ordinance or any subsequent amendment thereof. The new official zoning map shall be identified by the signature of the Mayor attested by the Clerk, under the following words: