Focus does not go to correct file

When I show my spaces and then show expose I can view all my open files on each space. The problem is if I have 2 files open on a ‘space’ and then I click on file #1 my mac goes to that space but file #2 comes up on top. if i click on file #1 the focus stays on file #2!!! I have to click on file #2 directly and then click again on file #1 in order to get the OS to focus on file #1. have you seen this issue??? It is annoying b/c sometimes the files are on top of each other and it is a pain to have to click on each…
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Russell42