Makemylithophane send to studio button not working?

hi all,

anyone else had this issue. i create a lithophane in makerlab, when it gets to point of exporting it seems to be doing something but then when i click the “send to studio” button nothing happens.

checked my download folder to see if it went there so i could import it that way, but nothing there either.

prints ok from handy app but ideally want to be able to do it on laptop

any ideas?