free camera problem cant move on free camera (in sp)

ok so besicly i want to edit a map to add like testing track and more but i dont know why ican move on free camera (wasd) i can go up and donw (3,9 on the left side on my key board) but cant go forward or backwards
what can i do? pls help btw if anyone wants if i finish the work over the map ill maybe publish it (besicly i made the grid map wiht a lot of obstical off road cours pretty much like the new grid map taht is going to be out)

 

Hmmm, I don't know what could be the reason, so check if all the keys are working well.

 

btw in multyplayer it works perfect (
free camera in total)

they are and also in multplayer it workes fine only in singel player