A sintaxe freeMarker é inválida.

Java method "com.sun.proxy.$Proxy741.getArticle(long, String)" threw an exception when invoked on com.sun.proxy.$Proxy741 object "com.liferay.journal.service.impl.JournalArticleLocalServiceImpl@5249844b"; see cause exception in the Java stack trace.

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FTL stack trace ("~" means nesting-related):
- Failed at: journalArticle = JournalArticleUtil.g... [in template "template_id" at line 24, column 27]
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