"struct" error message

Projects Programming
2 
struct byte2
{
  uint8_t addr;
  uint8_t home[2];
  uint8_t value[2];
};


void setup() 
{
  struct byte2 preamble;
  preamble.addr = 0; // error message
  preamble.home[0] = 0x00; // error message
  preamble.home[1] = 0x10; // error message
}

void loop() 
{
}

Sketch uses 326 bytes (3%) of program storage space. Maximum is 8,192 bytes.
Global variables use 9 bytes (1%) of dynamic memory, leaving 503 bytes for local variables. Maximum is 512 bytes.

No errors.