In file included from C:\Users\Coder\Documents\Arduino\libraries\MKRGSM\src/GSMVoiceCall.h:23:0,
from C:\Users\Coder\Documents\Arduino\libraries\MKRGSM\src/MKRGSM.h:24,
from C:\Users\Coder\AppData\Local\Temp\.arduinoIDE-unsaved202305-6004-j71uzu.o7tr\sketch_jan5a\sketch_jan5a.ino:18:
C:\Users\Coder\Documents\Arduino\libraries\MKRGSM\src/Modem.h:35:18: error: expected ')' before '&' token
ModemClass(Uart& uart, unsigned long baud, int resetPin, int dtrPin);
^
C:\Users\Coder\Documents\Arduino\libraries\MKRGSM\src/Modem.h:71:3: error: 'Uart' does not name a type; did you mean 'sqrt'?
Uart* _uart;
^~~~
sqrt