com.atlassian.confluence.content.render.xhtml.migration.exceptions.UnknownMacroMigrationException: The macro ' display' is unknown.

6.4 SYSTEM ENABLED POSTCODES WORLWIDE GRID

You can ENABLE/DISABLE the zone and postcode in this page. These are default POSTCODES WORLDWIDE.

NOTE: Once done, you can now create Margins & Connections. Please see next Module.