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Wystąpił błąd podczas przetwarzania szablonu.
The following has evaluated to null or missing:
==> journalArticleService.fetchLatestArticle(webContentData.classPK?number)  [in template "20100#20126#1002421" at line 6, column 18]

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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: journalArticle = journalArticleServic...  [in template "20100#20126#1002421" at line 6, column 1]
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1<#assign 
2ddmTemplateKey = "CURRENCY_INFORMATION_DESCRIPTION_UUID" 
3webContentData = jsonFactoryUtil.createJSONObject(currencyInformation.getData()) 
4jaClassName = "com.liferay.journal.model.JournalArticle" 
5journalArticleService = serviceLocator.findService("com.liferay.journal.service.JournalArticleLocalService") 
6journalArticle = journalArticleService.fetchLatestArticle(webContentData.classPK?number) 
7articleDisplay = journalArticleService.getArticleDisplay(journalArticle.getGroupId(), journalArticle.getArticleId(), 
8journalArticle.getVersion(), ddmTemplateKey, "view", themeDisplay.getLanguageId(), 1, null, themeDisplay) 
9/> 
10${articleDisplay.getContent()} 

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