for (int address_error = 0; address_error < 5; address_error++) {
    if (EEPROM.read(address_error) == 0xff) {
      EEPROM.write(address_error, 0);
    } else if (EEPROM.read(address_error) != 0) {
      address_indic += sizeof(address_error) + 1;         // THIS BIT
      EEPROM.write(address_indic, 1);
    }
  }