RST 4619 - Now making use of validation error 'options' containing things like count for I18m messages

[garytaylor]

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Change description

Now making use of validation error 'options' containing things like count for I18m messages

This corrects an issue with the address error messages where the page crashed with an error as the interpolation value was not present

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[X] No