Hi, While I'm Flashing LED Blinking Example in nRF51822 Ek using Keil uVision 5 along with SDK v12.2.0 , Program is uploaded but LED is Continuously glowing without blinking i checked it twice but i did not get that and i found a cross mark circled with red on the Device in keil . how to overcome this problem can any one help,i'm attaching the error image..please suggest me a solution as soon as possible...Thanks in adavance.Device Error Image.png