Hi. My name is*****'m a camera repair technician with almost 30 years in the business and I'll be glad to help you with your question today.
Thr "ERR" massage is a general indicator that simply means something is wrong with the camera. However, it is usually associated with a shutter failure or a fault in the aperture control mechanism. Either one of these will require service by a Nikon service facility. Your best bet is to go through the Nikon website for support to get the contact information for the service center closest to you.
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