verification failed with simple hello world uart and given example in nrfconnect

[Bipinv2000]

please give me the solution for this issue i have uploaded simple hello world uart code with nrfconnect quick start

[hanmira]

Check if the board firmware is corrupted. Reflash the board with the latest firmware using nRF Connect for Desktop and update the J-Link drivers from SEGGER J-Link Software. Baseball Bros