at the beginning of function thickbox_field_formatter() (line 137) there's a check

  if (!isset($item['fid'])) {

unfortunately the value $item['fid'] is set to 0 which makes this check not work.
replacing the check with

  if (empty($item['fid'])) {

makes things work as expected.

Comments

frjo’s picture

Committed, thanks for the report!

drewish’s picture

Status: Active » Fixed

looks like the status didn't updated.

Anonymous’s picture

Status: Fixed » Closed (fixed)