Arduino: 1.8.7 (Windows Store 1.8.15.0) (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, Flash, ck, 26 MHz, 40MHz, QIO, 512K (no SPIFFS), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200"

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:40:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiServer.h:52:14: error: invalid abstract return type for member function 'WiFiClient WiFiServer::available(uint8_t*)'

   WiFiClient available(uint8_t* status = NULL);

              ^

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:39:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiClient.h:45:7: note:   because the following virtual functions are pure within 'WiFiClient':

 class WiFiClient : public Client, public SList<WiFiClient> {

       ^

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiClient.h:27:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:39,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\cores\esp8266/Client.h:37:22: note: 	virtual void Client::flush()

         virtual void flush() = 0;

                      ^

C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\cores\esp8266/Client.h:38:22: note: 	virtual void Client::stop()

         virtual void stop() = 0;

                      ^

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiServerSecure.h:21:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:41,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiServerSecureBearSSL.h:58:22: error: invalid abstract return type for member function 'BearSSL::WiFiClientSecure BearSSL::WiFiServerSecure::available(uint8_t*)'

     WiFiClientSecure available(uint8_t* status = NULL);

                      ^

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiServerSecureBearSSL.h:24:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiServerSecure.h:21,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:41,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiClientSecureBearSSL.h:34:7: note:   because the following virtual functions are pure within 'BearSSL::WiFiClientSecure':

 class WiFiClientSecure : public WiFiClient {

       ^

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiClient.h:27:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:39,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\cores\esp8266/Client.h:37:22: note: 	virtual void Client::flush()

         virtual void flush() = 0;

                      ^

C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\cores\esp8266/Client.h:38:22: note: 	virtual void Client::stop()

         virtual void stop() = 0;

                      ^

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiServerSecure.h:20:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:41,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiServerSecureAxTLS.h:36:20: error: invalid abstract return type for member function 'axTLS::WiFiClientSecure axTLS::WiFiServerSecure::available(uint8_t*)'

   WiFiClientSecure available(uint8_t* status = NULL);

                    ^

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiClientSecure.h:23:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:42,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiClientSecureAxTLS.h:33:7: note:   because the following virtual functions are pure within 'axTLS::WiFiClientSecure':

 class WiFiClientSecure : public WiFiClient {

       ^

In file included from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/WiFiClient.h:27:0,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi\src/ESP8266WiFi.h:39,

                 from C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS/ESP8266mDNS.h:46,

                 from C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:10:

C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\cores\esp8266/Client.h:37:22: note: 	virtual void Client::flush()

         virtual void flush() = 0;

                      ^

C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\cores\esp8266/Client.h:38:22: note: 	virtual void Client::stop()

         virtual void stop() = 0;

                      ^

BareMinimum:34:13: error: 'PIN_LOW' was not declared in this scope

 MCP3424 adc(PIN_LOW, PIN_FLOAT);

             ^

BareMinimum:34:22: error: 'PIN_FLOAT' was not declared in this scope

 MCP3424 adc(PIN_LOW, PIN_FLOAT);

                      ^

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino: In function 'void setup()':

BareMinimum:115:8: error: 'class MCP3424' has no member named 'generalCall'

    adc.generalCall(GC_RESET);

        ^

BareMinimum:115:20: error: 'GC_RESET' was not declared in this scope

    adc.generalCall(GC_RESET);

                    ^

BareMinimum:117:9: error: 'class MCP3424' has no member named 'creg'

     adc.creg[CH1].bits = { GAINx1, SR18B, CONTINUOUS, CH1, 1 };

         ^

BareMinimum:117:14: error: 'CH1' was not declared in this scope

     adc.creg[CH1].bits = { GAINx1, SR18B, CONTINUOUS, CH1, 1 };

              ^

BareMinimum:117:28: error: 'GAINx1' was not declared in this scope

     adc.creg[CH1].bits = { GAINx1, SR18B, CONTINUOUS, CH1, 1 };

                            ^

BareMinimum:117:36: error: 'SR18B' was not declared in this scope

     adc.creg[CH1].bits = { GAINx1, SR18B, CONTINUOUS, CH1, 1 };

                                    ^

BareMinimum:117:43: error: 'CONTINUOUS' was not declared in this scope

     adc.creg[CH1].bits = { GAINx1, SR18B, CONTINUOUS, CH1, 1 };

                                           ^

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino: At global scope:

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:267:87: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

 static char * errmsg[] = {"", "underflow", "overflow", "i2c", "in progress", "timeout"};

                                                                                       ^

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:267:87: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:267:87: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:267:87: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:267:87: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino:267:87: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

C:\Users\Tylar\Desktop\fix\BareMinimum\BareMinimum.ino: In function 'void loop()':

BareMinimum:285:10: error: 'ConvStatus' was not declared in this scope

          ConvStatus err = adc.read(CH1, value);

          ^

BareMinimum:285:21: error: expected ';' before 'err'

          ConvStatus err = adc.read(CH1, value);

                     ^

BareMinimum:286:9: error: 'err' was not declared in this scope

     if (err == R_OK)

         ^

BareMinimum:286:16: error: 'R_OK' was not declared in this scope

     if (err == R_OK)

                ^

Multiple libraries were found for "ESP8266mDNS.h"
 Used: C:\Users\Tylar\Documents\Arduino\libraries\ESP8266mDNS
 Not used: C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\libraries\ESP8266mDNS
Multiple libraries were found for "ESP8266WiFi.h"
 Used: C:\Users\Tylar\Documents\Arduino\libraries\ESP8266WiFi
 Not used: C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\libraries\ESP8266WiFi
Multiple libraries were found for "SD.h"
 Used: C:\Users\Tylar\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.4.2\libraries\SD
 Not used: C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\libraries\SD
exit status 1
'PIN_LOW' was not declared in this scope

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.