Custom class manager image picker bug?


Double clicking on image place holder not opening asset manager in custom class manage on my mac is this just my machine or is everyone having the problem, when i click it opens a file manager to chose from machine with a message on top saying to double click to open asset manager , all this does when i double click is open another file manager. was wondering if anyone else is having this problem.
running el capitan, 2008 macbook pro