Just go on the error pain and the click on the error to highlight it, this way you will be able to see the errors
refer to the image below,
Hope it helps!
hii Raneen Othman,
in this situation error window does not show any error. but when you click on run button you will see this message pop up window.
because errors are on another pages or microflow or may be in navigation.
so please check one by one all pages , Microflows , Nanoflows , and Navigation also as well as other modified / imported things you did.
you will definately get error.
LOOK LOKE THISLOOK LOKE HIS