I down-graded back to 1.7 to bring back the correct formatting.
Went to plugins- selected “Media File Manager” then edit.
did a find (ctrl F) searched for “wp_get_attachment”
added array( …………….);
and it goes.
This may happen particularly to people using a theme that generates multiple resolutions of the same single media import (just a guess.)
Same problem- where are you changing the code on line 252:
from: $res = wp_get_attachment_metadata($dbres[0]->post_id);
to:
$res = array(wp_get_attachment_metadata($dbres[0]->post_id));
What file is it in – please