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A child with id 'openEditItem' already exists: [MarkupContainer [Component id = items, page = com.vegas.pos.PosPage, path = 0:navTabs:panel:productTabs:panel: items.ProductPanel$1, isVisible = true, isVersioned = false]]
java.lang.IllegalArgumentException: A child with id 'openEditItem' already exists:
[MarkupContainer [Component id = items, page = com.vegas.pos.PosPage, path = 0:navTabs:panel:productTabs:panel:
items.ProductPanel$1, isVisible = true, isVersioned = false]]	at wicket.MarkupContainer.add(MarkupContainer.java:156)	at com.vegas.pos.browse.ProductPanel$1.populateItem(ProductPanel.java:58)