:ERROR MESSAGE:
org.ofbiz.widget.renderer.ScreenRenderException: Error rendering screen [component://rugsusa/widget/BrowseScreens.xml#prod]: java.lang.IllegalArgumentException: Error running script at location [component://rugsusa/webapp/rugsusa/WEB-INF/actions/catalog/Variants.groovy]: java.lang.NullPointerException (Error running script at location [component://rugsusa/webapp/rugsusa/WEB-INF/actions/catalog/Variants.groovy]: java.lang.NullPointerException)