Stm32h503CBT6 doesnt start but can be programed

[transistor]

Hello when i added PWM on TIM1 channel 2 the all code stopped working i tried uploading code by stm32programmer but it doesnt help im using Stm32h503CBT6

[AScha.3]

Hi,

so you wrote something very strange in your prog....

show source.

use </>  to put code here.