javax.faces.FacesException: Expression does not match following pattern @id(id). Expression: "@id(help-dialog)"


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Expression does not match following pattern @id(id). Expression: "@id(help-dialog)"

Stack trace

javax.faces.FacesException: Expression does not match following pattern @id(id). Expression: "@id(help-dialog)"
	at org.primefaces.expression.impl.IdExpressionResolver.extractId(IdExpressionResolver.java:58)
	at org.primefaces.expression.impl.IdExpressionResolver.resolveComponents(IdExpressionResolver.java:39)
	at org.primefaces.expression.SearchExpressionFacade.resolveClientIdsByExpressionChain(SearchExpressionFacade.java:632)
	at org.primefaces.expression.SearchExpressionFacade.resolveClientIds(SearchExpressionFacade.java:205)
	at org.primefaces.util.AjaxRequestBuilder.addExpressions(AjaxRequestBuilder.java:92)
	at org.primefaces.util.AjaxRequestBuilder.update(AjaxRequestBuilder.java:85)
	at org.primefaces.renderkit.CoreRenderer.buildAjaxRequest(CoreRenderer.java:389)

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