Using a tv with TinyMCE Rich Text Format and input and output options Rich Text I get error 500 in the resource and the error log stated - TemplateVar/Renders/web/output/richtext.class.php : 23) PHP warning: Undefined array key "edt"

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Using a tv with TinyMCE Rich Text Format and input and output options Rich Text I get error 500 in the resource and the error log stated - TemplateVar/Renders/web/output/richtext.class.php : 23) PHP warning: Undefined array key “edt”