See XXX_Multi commands.

message MultiErrorResponse {
  repeated ErrorResponse deviceErrors;
}
deviceErrors
The errors on some of the target devices.
message ErrorResponse {
  uint32 deviceID;
  int32 code;
  string msg;
}
deviceID
The ID of the device where an error occurs.
code
A gRPC error code as defined.
msg
More detailed description of the error.

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