Resolved! STM32F722ZE Error: Mass erase operation failed. Please verify flash protection. STM32F722ZE
I debuged my software on the STM32F722ZE, when I suddenly lost connection to it. I tried to connect to it with ST-Link V2 and Segger J-Link. Error message from J-Link commander is: Can not attach to CPU. Trying connect under reset. Connecting to CPU ...