Image Problem in iReport

I am using iReport to Design Reports and those reports are deployed in to Jasper Server.In iReport itself got This Error "Error exporting print... java.lang.RuntimeException: New BMP version not implemented yet. net.sf.jasperreports.engine.JRException: java.lang.RuntimeException: New BMP version not implemented yet".How can resolve this one.I am not Writing any java Code, I am using jaspe server to display reports.Please give me advices