Problem with compiling code

[mlekolak22]

I have a problem with compiling code, I got this warning:

In file included from C:\Users\Mikolaj\AppData\Local\Temp.arduinoIDE-unsaved202483-8588-308c57.gbnde\sketch_sep3a\sketch_sep3a.ino:2: c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h: In member function 'void TFT::TFT_DC_HIGH()': c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h:238:54: error: 'GPIO' was not declared in this scope 238 | inline void TFT_DC_HIGH() {if (TFT_DC < 32) {GPIO.out_w1ts = (1 << TFT_DC);} | ^~~~ c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h:239:54: error: 'GPIO' was not declared in this scope 239 | else {GPIO.out1_w1ts.data = (1 << (TFT_DC - 32));}} | ^~~~ c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h: In member function 'void TFT::TFT_DC_LOW()': c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h:240:54: error: 'GPIO' was not declared in this scope 240 | inline void TFT_DC_LOW() {if (TFT_DC < 32) {GPIO.out_w1tc = (1 << TFT_DC);} | ^~~~ c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h:241:54: error: 'GPIO' was not declared in this scope 241 | else {GPIO.out1_w1tc.data = (1 << (TFT_DC - 32));}} | ^~~~ c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h: In member function 'void TFT::TFT_CS_HIGH()': c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h:242:54: error: 'GPIO' was not declared in this scope 242 | inline void TFT_CS_HIGH() {if (TFT_CS < 32) {GPIO.out_w1ts = (1 << TFT_CS);} | ^~~~ c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h:243:54: error: 'GPIO' was not declared in this scope 243 | else {GPIO.out1_w1ts.data = (1 << (TFT_CS - 32));}} | ^~~~ c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h: In member function 'void TFT::TFT_CS_LOW()': c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h:244:54: error: 'GPIO' was not declared in this scope 244 | inline void TFT_CS_LOW() {if (TFT_CS < 32) {GPIO.out_w1tc = (1 << TFT_CS);} | ^~~~ c:\Users\Mikolaj\Documents\Arduino\libraries\ESP32-TFT-Library-ILI9486\src/ili9486.h:245:54: error: 'GPIO' was not declared in this scope 245 | else {GPIO.out1_w1tc.data = (1 << (TFT_CS - 32));}} |

Could you tell me what i have to do to get rid of this issue?