Si è verificato un errore nell'elaborarazione del modello.
The following has evaluated to null or missing:
==> contenuto  [in template "20116#20152#689768" at line 8, column 3]

Tip: If the failing expression is known to be legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (!myDefault, (

FTL stack trace ("~" means nesting-related):
	- Failed at: ${contenuto.getData()}  [in template "20116#20152#689768" at line 8, column 1]
1<h1 class="underline"> 
2    <#if intestazione?? && validator.isNotNull(intestazione.getData())> 
3        ${intestazione.getData()} 
4    <#else> 
5        ${themeDisplay.getLayout().getHTMLTitle(locale)} 
6    </#if>