Bulk address move for 'Address Missing at Migration' causes Mosaic to freeze

This is generally due to the Address Missing at Migration.
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The ‘XXX XXX’ post code was added for this dummy address from version 22.2.0.0 of the Mosaic Data Migration scripts.
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Where an earlier version of the script has been run, an update can be applied to add the ‘XXX XXX’ to all existing Address Missing at Migration addresses.
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Please raise a new case if you require this update.
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If the Unknown Address filter does not already contain the 'XXX XXX' pose code, this should be mapped to exclude these addresses from bulk move functionality and similar.