Renault Megane 54 Reg-Check Ignition?

Hi,I've got a 54 Reg Renault Megane 1.5 Sports Tourer Dci.Every so often whilst driving in third/fourth gear at about 12,000 revs a warning message comes on the dash saying "Check Ignition" Does anyone know what this means or has anyone had the same problem,nothing happens I would just like to know is there anything I have to do,Thanks