This question has been answered by multiple community members. See the first response.
but currently i am passing through a very tight bottle neck in my life.flush permission works only now for the current logged in user
There is a fix that's supposed to solve that in one of the last posts in this thread: https://forums.modx.com/thread/92206/error-code-200-ok-on-every-resource-select?page=2[ed. note: mina_gerges last edited this post 11 years, 3 months ago.]