Errors AHT10

Hello

I have bought 2 AHT10 sensors and I want to do a small test to see if they work.

See code.

But getting a lot of errors?? I am using Arduino Uno R4 Wifi Thanks

#include <Wire.h>
#include <Adafruit_AHT10.h>

AHT10 myAHT(0x38);


void setup() {
  Wire.begin();
  Serial.begin(9600);
  Serial.println ("Initialising AHT10 Sensor");
  if (!myAHT10.begin ())
  Serial.println("Sensor error!");
  while(1);

}

void loop() {
 float temp = myAHT10.readTemperature ();
 float hum = myAHT10.readHumidity();
 Serial.print("Temp:"); 
 Serial.print (temp); 
 Serial("°C");
 Serial.print("Humidity:"); 
 Serial.print (hum); 
 Serial("%");
 delay (1000);

}

Errors

M:\Arduino Sketch\AHT10 sensor\sketch_apr7a_AHT10_test_2\sketch_apr7a_AHT10_test_2.ino:4:1: error: 'AHT10' does not name a type
AHT10 myAHT(0x38);
^~~~~
M:\Arduino Sketch\AHT10 sensor\sketch_apr7a_AHT10_test_2\sketch_apr7a_AHT10_test_2.ino: In function 'void setup()':
M:\Arduino Sketch\AHT10 sensor\sketch_apr7a_AHT10_test_2\sketch_apr7a_AHT10_test_2.ino:11:8: error: 'myAHT10' was not declared in this scope
if (!myAHT10.begin ())
^~~~~~~
M:\Arduino Sketch\AHT10 sensor\sketch_apr7a_AHT10_test_2\sketch_apr7a_AHT10_test_2.ino: In function 'void loop()':
M:\Arduino Sketch\AHT10 sensor\sketch_apr7a_AHT10_test_2\sketch_apr7a_AHT10_test_2.ino:18:15: error: 'myAHT10' was not declared in this scope
float temp = myAHT10.readTemperature ();
^~~~~~~
M:\Arduino Sketch\AHT10 sensor\sketch_apr7a_AHT10_test_2\sketch_apr7a_AHT10_test_2.ino:22:14: error: no match for call to '(UART) (const char [4])'
Serial("°C");
^
M:\Arduino Sketch\AHT10 sensor\sketch_apr7a_AHT10_test_2\sketch_apr7a_AHT10_test_2.ino:25:12: error: no match for call to '(UART) (const char [2])'
Serial("%");
^

exit status 1

Compilation error: 'AHT10' does not name a type