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An error occurred while processing the template.
The following has evaluated to null or missing:
==> request.getParameter("articleId")  [in template "20097#20123#198077" at line 2, column 46]

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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: articleId = request.getParameter("art...  [in template "20097#20123#198077" at line 2, column 34]
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1<#assign 
2				 articleId = request.getParameter("articleId") 
3				 groupId = getterUtil.getLong(request.getParameter("groupId")) 
4				 /> 
5		<@liferay_journal["journal-article"] 
6									 articleId=articleId 
7									 ddmTemplateKey="198117" 
8									 groupId=groupId 
9									 />