I don't really think this should be an issue. IV shouldn't be generated in this page, and it wasn't. I think it should only be a valid issue if someone's template could generate the IV.
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But since admin rejected my template for "displaying a wrong error":
https://instantview.telegram.org/contest/veja.abril.com.br/template106/issue1/
https://instantview.telegram.org/contest/veja.abril.com.br/template107/issue1/