Issues porting px4 to stm32f765vih6

i am having hard time trying to port px4 autopilot to stm32f765vih6 (custom board), Im obviously following the porting guide,and i have the development environment fully operational.
currently i am having issues with timers configuration.
the following image is my timer configuration:

i am getting the following error:

if someone did this before and down to help i will appreciate it.