Template:Wp/na/TemplateDataInfo/layout

<templatedata>JSON</templatedata> ./.

ERROR: This page is using an unprefixed version of template {{Tl}}

Use {{Wp/na/Tl}} instead and replace all occurences of {{Tl}} in Wp/na/ prefixed pages by that.

You may like to check 3 templates in Category:Wp/na/Templates using unprefixed template Tl first to remove all occurences from those templates which will fix the pages containing those templates too.

{{TemplateBox}}

{{{title}}}

{{{text}}}

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{{{help}}} • {{{info}}}