nrf51822 could no flash via nrfgo studio

[ridvan]

Hi

I'm new nrf devices, I'm trying to flash my device via nrfgo studio but every time got error. Here is screenshut of program:

Edit: J-link commander connection: Thanks

[ridvan]

I tried, but does not work, is it possible if i broke j-link, j-link driver or have non orjinal j-link ?