N Varaprasad this is a common issue with all digital cameras. Check [http://camerarepair.blogspot.com/2007/12/fixing-lens-error-on-digital-camera.html|on here] for a possible solution. Those tricks work sometimes, but most of the times you do need to replace the complete lens assembly. Here is [https://www.youtube.com/watch?v=bJx0GpcvfJg|a video] that will help you with that.