Erro estranho jsf

Assuntos Gerais
#1

alguem ja viu esse erro?

SEVERE: Servlet.service() for servlet Faces Servlet threw exception org.ajax4jsf.resource.ResourceNotFoundException: Resource not registered : org.richfaces.renderkit.html.images.background.MenuListBackground at org.ajax4jsf.resource.ResourceBuilderImpl.getResource(ResourceBuilderImpl.java:393) at org.ajax4jsf.resource.ResourceBuilderImpl.getResourceForKey(ResourceBuilderImpl.java:337) at org.ajax4jsf.resource.InternetResourceService.serviceResource(InternetResourceService.java:155) at org.ajax4jsf.resource.InternetResourceService.serviceResource(InternetResourceService.java:144)

to trabalhando com richfaces

#2

estou com o mesmo problema. conseguiu resolver o seu??

#3