[Arduino IDE demo source code for KC868-A16]--#09-KC868-A16_Web_server_code

[wolli]

hello 
I downloaded the zip file "KC868-A16 Web_Server" when I compile it I get
the following error message 
I'm still a beginner with KC868-A16 and need help

thank you in advance



/home/arduino/Downloads/KC868-A16_Web_Server/KC868-A16_Web_Server.ino:50:36: error: no matching function for call to 'PCF8574:CF8574(TwoWire*, int, int, int)'
  50 | PCF8574 pcf8574_I1(&I2Cone,0x3A,4,5);
      |                                    ^
In file included from /home/arduino/Downloads/KC868-A16_Web_Server/KC868-A16_Web_Server.ino:8:
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:30:12: note: candidate: 'PCF8574:CF8574(uint8_t, TwoWire*)'
  30 |  explicit PCF8574(const uint8_t deviceAddress = 0x20, TwoWire *wire = &Wire);
      |            ^~~~~~~
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:30:12: note:  candidate expects 2 arguments, 4 provided
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:27:7: note: candidate: 'constexpr PCF8574:CF8574(const PCF8574&)'
  27 | class PCF8574
      |      ^~~~~~~
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:27:7: note:  candidate expects 1 argument, 4 provided
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:27:7: note: candidate: 'constexpr PCF8574:CF8574(PCF8574&&)'
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:27:7: note:  candidate expects 1 argument, 4 provided
/home/arduino/Downloads/KC868-A16_Web_Server/KC868-A16_Web_Server.ino:51:36: error: no matching function for call to 'PCF8574:CF8574(TwoWire*, int, int, int)'
  51 | PCF8574 pcf8574_I2(&I2Cone,0x39,4,5);
      |                                    ^
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:30:12: note: candidate: 'PCF8574:CF8574(uint8_t, TwoWire*)'
  30 |  explicit PCF8574(const uint8_t deviceAddress = 0x20, TwoWire *wire = &Wire);
      |            ^~~~~~~
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:30:12: note:  candidate expects 2 arguments, 4 provided
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:27:7: note: candidate: 'constexpr PCF8574:CF8574(const PCF8574&)'
  27 | class PCF8574
      |      ^~~~~~~
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:27:7: note:  candidate expects 1 argument, 4 provided
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:27:7: note: candidate: 'constexpr PCF8574:CF8574(PCF8574&&)'
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:27:7: note:  candidate expects 1 argument, 4 provided
/home/arduino/Downloads/KC868-A16_Web_Server/KC868-A16_Web_Server.ino:52:36: error: no matching function for call to 'PCF8574:CF8574(TwoWire*, int, int, int)'
  52 | PCF8574 pcf8574_R1(&I2Cone,0x3C,4,5);
      |                                    ^
/home/arduino/Arduino/libraries/PCF8574/PCF8574.h:30:12: note: candidate: 'PCF8574:CF8574(uint8_t, TwoWire*)'
  30 |  explicit PCF8574(const uint8_t deviceAddress = 0x20, TwoWire *wire = &Wire);
      |            ^~~~~~~


and more errors

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exit status 1

Compilation error: no matching function for call to 'PCF8574:CF8574(TwoWire*, int, int, int)'