The following has evaluated to null or missing:
==> content  [in template "209613#209652#1241196" at line 4, column 6]

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Tip: If the failing expression is known to 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: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
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FTL stack trace ("~" means nesting-related):
	- Failed at: #if content.getData()?? && content.ge...  [in template "209613#209652#1241196" at line 4, column 1]
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1${htmlUtil.escape(.vars['reserved-article-title'].data)} 

2 

3<img src="${htmlUtil.escape(.vars['reserved-article-small-image-url'].data)}"> 

4<#if content.getData()?? && content.getData() != ""> 

5    ${content.getData()} 

6</#if>