java.lang.ArithmeticException: / by zero on rich:scrollableDataTable

java.lang.ArithmeticException: / by zero
at org.richfaces.renderkit.html.SelectionRendererContributor.decode(SelectionRendererContributor.java:159)
at org.richfaces.renderkit.CompositeRenderer$1.execute(CompositeRenderer.java:77)
at org.richfaces.renderkit.CompositeRenderer$Command.execute(CompositeRenderer.java:61)
at org.richfaces.renderkit.CompositeRenderer.doDecode(CompositeRenderer.java:149)
at org.ajax4jsf.renderkit.RendererBase.decode(RendererBase.java:75)
at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.doDecode(ScrollableDataTableBaseRenderer.java:679)
at org.ajax4jsf.renderkit.RendererBase.decode(RendererBase.java:75)
at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:789)
at org.ajax4jsf.component.UIDataAdaptor.processDecodes(UIDataAdaptor.java:1141)
at org.ajax4jsf.component.UIDataAdaptor.processDecodes(UIDataAdaptor.java:1150)
at org.richfaces.component.UIScrollableDataTable.processDecodes(UIScrollableDataTable.java:169)
at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026)
at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026)
at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026)
at javax.faces.component.UIForm.processDecodes(UIForm.java:208)
at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026)
at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026)
at org.ajax4jsf.component.AjaxViewRoot$1.invokeContextCallback(AjaxViewRoot.java:392)
at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:238)
at org.ajax4jsf.component.AjaxViewRoot.processDecodes(AjaxViewRoot.java:409)
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at jcifs.http.NtlmHttpFilter.doFilter(NtlmHttpFilter.java:118)