Velleman Motor Shield PKAO3'1 and MPU6050

Good morning , I have a problem with velleman shield and the gyroscope MPU6050 , when I load the code of Arduino rev2 , connected to velleman on which the sensor is inserted , it does not work , saying that the gyroscope is non-existent , whereas when the load on the Arduino without velleman works . You can help me? Thanks so much

Check if the KA03 and the MPU6050 share the same pins.