Raised if the file md5 and server md5 do not match when acknowledging GridFS writes.
@since 2.0.0
Create the new exception.
@example Create the new exception.
Mongo::Error::InvalidFile.new(file_md5, server_md5)
@param [ String ] client_md5 The client side file md5. @param [ String ] server_md5 The server side file md5.
[Validate]