can't create AAF

I can't see all of the error message because you have taken a screengrab instead of copy/pasting the text.

The error message contains a file and the folder that it is in. Can you please check that the file exists and that it can be played in QuickTime Player.

Please copy/paste the text from the window in the screengrab so I can see the whole message and attach your fcpxml.

I get the following message as per pic attached , any help what to do ?