I get the same issue in STM32Cube_FW_F7_V1.16.2 for STM32F767 on the nucleo 144 board. in my case the result of HAL_ADCEx_MultiModeStop_DMA(&hadc1) == 0x80 which indicates the CR2 register ADON flag is high. I believe. Noob here!I have stried various...